Block layout 2 - Advantage Glass Block Inc.

Advantage/Mulia Glass Blocks
Introduction
Glass blocks are a timeless building material, yet over the past 50
years they’ve gone in and out of fashion depending on the trends
of architectural design. Since the 1980s there has been a steady
increase in the use of glass block in commercial and residential
construction.
Invented in Europe in the early 1900s as thin blocks of glass supported by a grid, glass blocks fell out of favour for a while before
resurfacing in the 1950s as a decorative building material. But it
was a short-lived love affair as 1960s architecture began to stress
the minimalist look. Then two trends combined to bring glass
block back into demand. During the 1970s there was a move
away from the sparse look in architecture, and in the early 1980s
a trend for the feel of the 1950s began.
Glass blocks are not only decorative - they also have several
functional advantages that make them attractive. Lots of natural
light will filter through a glass block window, while at the same
time, the patterns on the glass blocks create varying degrees of
privacy. They have the insulating value of a 12” thick concrete
wall or an insulation R value of 2.0 (similar to a thermal pane
double-glazed window). Due to the large enclosed air space,
condensation problems normally experienced on conventional
windows are not seen on glass blocks (if installed correctly).
Glass blocks provide acoustical benefits by reducing outside
noise. They also provide a degree of security unavailable from an
ordinary flat-glass window, while eliminating the need for expensive window coverings, which only reduce light transmission.
Page 1
Until recently, glass blocks remained in the realm of architecture.
In the past, an architecturally designed home with a glass block
panel was a magnificent sight. But as installation techniques
become easier, more homeowners are looking to glass blocks for
their own home improvement projects.
Homeowners are discovering the benefits of glass block panels
for windows, walls, dividers and even furniture. In Europe, as
much as 40% of all glass blocks sold are used by the do-it-yourselfer.
Designing with Glass Blocks
Mulia glass blocks are made from two sections of pressed glass,
which are then fused together to create a partial vacuum inside
the unit, with the pattern on the inside face.
If privacy is the main concern, the wall or window should be built
of blocks that will distort any images. The busier the pattern, the
greater the distortion.
There might be a trade-off between your need for privacy and
your desire for natural light, but keep in mind that even a clear
block in combination with the mortar grid will provide some distortion of image. To help keep the trade-off to a minimum, you
might want to design a glass block wall using a combination of
patterned and clear blocks. The clear blocks could be grouped in
areas where you want to retain the view or let in the most
amount of natural light.
In replacing an existing window with glass blocks, you are not
limited by the size of the opening. Combinations of different
block sizes can be used to retrofit openings where standard multiples of blocks will not work, or where a more interesting design
concept can be made while greatly reducing material costs. Two
examples are shown here to illustrate the possibilities. In new
construction, however, the size of the blocks can be considered in
the preliminary design stages, to allow you the broadest choice
of pattern and size. See sketches on next page:
Page 2
This example shows 2 panels, each 36” X 36” — one using a
combination of sizes and the other using all the same size of
block. These two panels are identical in size yet one contains 36
blocks while the other contains 25 blocks (in a symmetrical combination). Cost per individual block is identical in this case yielding an approximate 30% saving on material and labour with the
25-block option.
Why Architects Use Glass Block
Architects have always had a strong attraction to glass. It’s a
versatile material — hard while also being translucent or transparent. Glass blocks offer the architect the excitement of glass,
while offering many of the advantages of masonry material.
Glass blocks are an important element in current design trends
and their qualities make them welcome in any renovation, new
home design or commercial application.
Few construction materials offer all the benefits associated with
glass blocks — natural light, openness, strength, attractiveness,
coupled with a high degree of privacy and security, and reduced
sound transmission.
With glass blocks, you can build an expanse of wall with only a
thin mortar line between the rows of blocks. No other visually
distracting construction material is necessary (within size limits).
Page 3
The maximum exterior panel area is 144 sq.ft. with the width no
longer that 25 ft. and a maximum height of 20 ft. Interior panels
can be a maximum of 250 sq.ft. These calculations are based on
the used of 3-7/8 thick blocks. If you use 3-1/8 thick blocks, the
maximum exterior area you can cover with a single panel is 85
sq.ft. The maximum interior area is 150 sq.ft., again with a height
of no more than 20 ft. If your opening is larger than these sizes,
a series of panels is necessary with each panel supported by a
structural frame and expansion joints.
Maximum Panel Dimensions
thick series
thin series
area (sq. ft.)
area (sq. ft.)
Channel-type restraint
144
85
Panel anchors
144
85
Channels or panel anchors
w/intermediate stiffeners
250
150
Channel-type restraint
250
150
Panel anchors
250
150
Perimeter Support Method
interior
interior
Curved walls are one of the most beautiful applications of glass
blocks. A curved wall can round out to catch more light, dip back
to the wall line again, go straight for a bit, then curve out once
more. There is no end to the variety of design offered.
Whether they are clear for maximum visibility or textured to provide privacy, glass blocks will always create a feeling of openness.
There are many interesting applications for glass blocks. For
example, if you would like an island in your kitchen, but a solid
island would appear too heavy, make the base from glass blocks
Page 4
to lighten the appearance. Or you may want a bar in a recreation
room but again a regular bar would appear too massive. The
base can be created from glass blocks while the bar top can be
supported by wood columns at either end. Shower installations
can surround the entire enclosure or be as simple as light panels
inserted anywhere in the drywall.
Glass blocks offer a degree of security that is not offered by an
ordinary glass window. Since the blocks are 3” to 4” inches
thick, they offer protection against forcible entry or breakage.
Basement windows are particularly attractive to intruders
because they are small, at ground level and are usually in a spot
that will prevent detection of the intruder.
Sidelights next to the front entrance are a favorite of intruders as
well, since it is simply a matter of breaking the glass and reaching in to unlock a deadbolt to gain access.
Replace basement windows and sidelights with glass blocks and
you restrict access to your house without sacrificing any natural
light transmission.
Working with Glass Block
Glass blocks are not load-bearing and must be used in conjunction with a steel lintel (angle iron) or a wood header. This is no
different from typical construction details for a conventional window installation.
The panel must be independent of the main structure. There
must be a cushion between the panel and the surrounding construction material. Yet the blocks are still tied to the surrounding
structure.
Glass blocks are treated somewhat like bricks with the panel
being built from the bottom up, block by block.
It is true that a glass block project is only as good as the craftsmanship employed, but there are no great secrets to masonry
work.
Page 5
With the use of spacers, you can keep the mortar joints even and
prevent bulges in the rows of blocks. So the only remaining trick
to the masonry work is preparing and handling the mortar.
Mortar is the adhesive that will hold your glass blocks together
and give your project its strength. The quality and durability of
your glass block panel will depend on the quality of the mortar
you prepare. A mortar that is too runny or too dry won’t work.
You should mix to a consistency of peanut butter in order to
achieve a durable bond with optimal holding power. One bag of
our pre-mixed glass block mortar (20 kg) will lay approximately
25-3” blocks or 20-4” blocks. Our pre-mix mortar incorporates
latex acrylic polymers to increase water resistance.
Using Installation Accessories:
Spacers, Anchors, Expansion, Reinforcing
Kreuz plastic spacers — called a laying cross — were originally
invented in Austria. The crosses at each end of the spacer sit on
either side of the glass block providing horizontal rigidity while
the bridge sits down in the vertical mortar bed.
The tabs at the outside of the
spacers keep the wall plumb
as it goes up. These tabs
snap off when twisted to
allow easy striking of the
mortar joint. The main body
of the spacer remains embedded in the mortar, providing
uniform quarter-inch horizontal and vertical joint spacing.
The support provided by
these spacers allows construction of large spans within a single day with no need
to wait for mortar to harden.
Glass Block Spacer
(specify thickness 3” or 4”)
Page 6
These versatile plastic spacers are a key “enabling technology”
which ensures that consistent mortar lines are within the reach
of anyone who wants to produce a glass block project.
A glass block panel cannot support any structural weight other
than its own. That means you can not tear down a load-bearing
wall inside your house and replace it with a glass block wall —
unless you provide an integrated supporting structure.
This also means that no lintels or structural pieces of any kind
that support weight can rest on top of the glass block panel.
Lintels must be supported by other structural members. An
expansion joint is placed between the glass block and lintel, acting as a cushion in the case of any lintel deflection.
As mentioned earlier, panels must be independent of the main
structure. This means the panel cannot be mortared directly to
the building for fear of cracking during the differential expansion
and contraction of the surrounding materials. The panel is therefore surrounded by an expansion joint at both jambs and at the
head position.
There are three methods of providing panel support: chase construction, channel construction and panel anchors. In chase construction, the edges of the glass block panel are built so that
they fit into a wide groove or channel formed directly into concrete jambs.
The second method of securing a glass block panel is channel
construction. In this system, the glass block panel sits in a metal
channel that is fastened to the jambs and head of the opening.
With the panel anchoring method, two-foot-long, hot-dipped, galvanized steel panel anchors are secured into the mortar joint
above the first course and then at 16”-24” intervals thereafter,
with the last anchor placed directly below the top block. A 16”
length of anchor is buried in the mortar, the other 8” is bent and
fastened directly to the jambs and/or head (depending on application). This method allows for full view of the glass blocks
around the edges of the panel since the block edges are not
buried in a channel support.
Page 7
Below: Chase and Channel Construction
Photo above: Panel Anchor
Page 8
It may appear contradictory when to say that a panel must be
independent from the main structure, and then explain how to
secure a panel. However, in each of these anchoring cases, the
panel is separated from the main structure by means of an
expansion strip that is usually a compressed polyfoam material.
The panel anchor must not come into contact with the glass
block (because of the different expansion rates), so make sure the
anchor is buried in the middle of the mortar bed.
To install four-foot hot-dipped galvanized steel ladder reinforcing,
place the lower half of the mortar bed, press the reinforcing into
place, then cover the reinforcing with the top half of the mortar
bed and trowel smooth. Keep the metal ladder in the middle of
the mortar bed to avoid contact with the glass blocks. Overlap
the steel ladder reinforcing by a minimun of 6” to maintain continuous reinforcing without bridging the expansion material.
Page 9
Three Spacers in One
Each glass block installation will generally require the use of all
the three possible spacer variations: “Regular”, “T” and “L” spacers. To create “T” and “L” spacers, simply cut off the indicated
parts of a “regular” spacer.
Regular
Use wherever 4 blocks meet. Do not
remove end caps until installation is
completed.
L
Remove end cap and two legs (shown
dotted) from each end of a regular
spacer to form an “L” spacer. Use for
corners against sill, jamb and header.
T
Remove one half of end cap and upper
extension of vertical leg from each end
of spacer (shown dotted). Use for blocks
placed against jamb, sill and header.
Page 10
Spacer Application Guide:
Bears weight so
mortar does not
float.
How the Glass Block Spacer Works
Tabs hold face of
blocks aligned
and flush
Does not obstruct
panel anchors or
re-inforcing
Maintains perfect
horizontal and
vertical joint
Glass block is
held secure during installation
End caps simply
twist off after
installation
Tools and Accessories Required:
•
Glass blocks (choose either 3 1/8” or 3 7/8” width). To determine
the number of blocks required, divide each of the opening dimensions (horizontal and vertical) by the nominal size of the block
used (i.e. 8”). Multiply the number of horizontal blocks by the
number of vertical blocks to determine the total number of blocks
required. (opening should always be a multiple of the nominal
block size + 1/4” – i.e. 10 blocks = 80 1/4”)
•
Glass block spacers (specify correct size to fit block thickness). To
calculate quantity of spacers required, multiply number of horizontal glass blocks plus one by the number of vertical glass blocks
plus one (i.e. 2 X 2 blocks requires 9 spacers, see diagram on page
9).
•
Panel Anchors
•
Expansion Strips
•
Panel Reinforcement
•
Glass Block Mortar
•
Screws (3/4” or 1” long) and Plugs (if
required).
•
Mortar Trowel, Brick Jointer, Level, Plumb Line, Sponge.
•
Caulking Gun with Silicone Sealant
Page 11
Canada Classified UL®
Glass Block Installation
Material Plastic mortar
joint spacers classified
by Underwriters
Laboratories Inc. R18127.
Preparation
• After preparing the work site, first install panel anchors to tie
the panel into the jambs of the opening. Anchors will be
embedded in mortar during installation of block. Bend the
anchor into a “L” shape with an 8” vertical leg and a 16” horizontal leg. Attach vertical leg to the jamb with appropriate
fasteners. Additional panel anchors must be placed after every
third 6” block or after every second 8” or 12” block.
• Install expansion strips, trim strips to proper width and attach
to head and jambs.
• Prepare “T” and “L” spacers by removing legs from regular
spacers.
Installation Note:
Don’t place mortar between glass blocks and expansion strips.
Laying the First Course
• Apply mortar to the prepared sill.
• Place an “L” spacer in the corner, seating it squarely against
the jamb and the sill.
• Seat the first block into the corner, resting it on the mortar.
Add a “T” spacer under the corner of the block that is not
already supported by the “L” spacer. Place the spacer under
the block against the sill and seat the block into position.
• Place a regular spacer on the free upper corner of the block.
• Apply mortar to the vertical side of a second block and put
that block into position, using spacers to maintain joint spacing. Seat block horizontally and vertically.
• Repeat process to end of first course of blocks
• Inspect work periodically to check accuracy, level and plumb.
Make any necessary corrections before proceeding.
Page 12
Continue the Installation
• Clear mortar from the legs of the spacers to ensure an accurate mortar joint.
• Install block as
described for beginning course.
• At courses requiring
panel anchors, embed
anchor into centre of
mortar bed.
• Panels over 25 square
feet require panel reinforcing to be used,
with panel anchors.
Embed re-inforcing
strips in mortar as
each course is finished. Overlap re-inforcing strips by 6” when
joining pieces.
• At head (top course), place spacers before inserting block. No
mortar is used between the header and the block. Use expansion material between block and head.
Finishing and Clean-Up
• After mortar has begun to set (thumbprint-hard), twist off
spacer end caps and discard. Strike joint with brick jointer to a
concave smooth finish.
• Before mortar has dried, remove excess with a damp sponge
or cloth. Rinse cloth often with clean clear water. Film and
residue on the block faces can be removed later with a dry
cloth.
• Use silicone caulk/sealant around the perimeter of your installation.
Page 13
Expansion Joints
A straight exterior panel that is larger than 144 sq.ft. (13.4
sq.metres) must be built from a series of smaller panels. These
smaller panels are fastened together by a series of supports and
expansion joints.
Although there are various ways of creating expansion joints,
each joint contains compressed polyfoam to absorb movement in
the panels. To join the two panels, visible or hidden attachments
may be used. As shown in Diagram A, a stiffener is used that is
visible on one side. The stiffener provides the necessary rigidity
to support the large panels being joined. The expansion material
is located between the stiffener and the block wall to provide a
cushion for movement.
For a continuous wall of glass blocks without any visible supports on either side, the steel plate shown in Diagram B is the
answer. The steel plate acts as a double jamb and serves to
separate the panels into two individual framed panels.
ULC Fire Ratings
If constructed properly (that is, by using adequate steel reinforcment) glass blocks have a fire rating of 45 minutes, which allows
them to be used in areas where ordinary flat-glass windows cannot. Maximum allowable size in a masonry opening is 120 square
feet. Maximum allowable opening in drywall is 94 square feet.
Neither dimension should exceed 10 feet.
Glass blocks are rated by ULC for a 45-minute fire rating which
will actually allow a 1-hour fire separation if the materials surrounding the glass block are 1-hour fire rated.
Fire-rated glass blocks must be installed according to the following diagram in order to qualify for ULC approval. This requires
anchors and steel reinforcing above the first horizontal course,
and at every second course thereafter, and with the last anchor
and reinforcing placed directly below the top block. Panel
anchors must also be used from the head down at 16” intervals.
Page 14
The steel plate provides
rigidity while expansion
material covers both sides
of the plate to allow movement. Both the steel plate
and the polyfoam expansion
material are less wide than
the block to allow room for
caulking. Where steel plates
are used, panel height
would be limited to 10 ft. (3
metres).
In Diagrams C and D, the
expansion joint is more visible. It can be incorporated
into the glass block panel as
a design element. These
configurations use two Uchannels to hold the glass
block. The U-channels are
either joined together by a
mullion (C), or simply connected back to back (D).
A
B
C
D
Right column: Four Different Types of Expansion Joints: A, B, C, D.
Page 15
Fire-Rated Panel Anchor Construction:
Lintel or Header
Expansion Strip
Fire-Rated
Caulking
Panel Anchor
Expansion
Strip
Panel Re-inforcing
Panel Anchors
Two Bolts
or Screws
per Anchor
Glass Block
Mortar
Wall framing shown
here for illustrative
purposes only. Wall
framing can be
concrete, masonry,
wood, steel, fire-rated
drywall or any other
structural surround.
Asphalt Emulsion
Page 16
Curved Walls
Curved walls have their own special requirements for expansion joints.
Regardless of size, an intermediate expansion joint must be placed in the
wall every time a curve changes direction or where a curved section meets
a straight wall. The radius of the curve is also restricted. See the following table for radius
options available with
different sizes of glass
blocks. Special
tapered spacers
accommodate these
radius options. These
spacers can also be
opened up slightly to
accommodate minor
adjustments to the
radius options listed.
Mortar Joint
Thickness
Nominal Block Size
& Actual Inside Radius
(in inches)
D
E
al
Ve
rt
H
ic
or
al
iz
on
ta
l
4
in
ch
bl
oc
k
6
in
ch
bl
oc
k
8
in
ch
bl
oc
k
12
in
ch
bl
oc
N
k
o.
of
bl
oc
A
ks
ng
in
le
90
in
˚a
de
rc
gr
Pr
ee
od
s
uc
tC
od
e
th
id
si
In
O
ut
si
de
de
w
oc
k
Bl
C
Ve
rt
ic
A
B
B:
3 1/8” 5/8” 1/8” 1/4”
19 1/2”
29 5/8”
39 7/8”
–
8
11.25˚ ABK-RO1
5/8” 1/4” 1/4”
25 1/8”
37 7/8”
50 1/2”
–
10
3/8” 1/8” 1/4”
39 3/8”
59 3/4”
80 1/8”
–
16
3/8” 1/4” 1/4”
76 1/8” 114 3/8” 152 1/2”
–
30
3.0˚
ABK-RO4
9.0˚
ABK RO2
5.625˚ ABK-RO3
3 7/8” 5/8” 1/8” 1/4”
24 1/2”
37 1/4”
49 7/8”
75 1/4”
10
9.0˚
ABK RO5
5/8” 1/4” 1/4”
30 1/4”
45 1/2”
60 3/4”
91 1/4”
12
7.5˚
ABK-RO6
3/8” 1/8” 1/4”
49 3/8”
74 3/4” 100 1/4” 151 1/8”
20
4.5˚
ABK-RO7
3/8” 1/4” 1/4” 101 5/8” 152 1/2” 203 3/8” 305 1/4”
40
2.25˚
ABK-RO8
4
22.5˚
ABK-ALB
3 7/8” 3/8” 3/16” 1/4”
Allbend®
Page 17
Page 18
90 Degree Corner Options
Here are four methods to get you around corners: Diagram A
shows two glass block panels formed into a 90∫ angle by the use
of a wood post or steel tubing. The post or tube is covered from
floor to ceiling with a steel or aluminum angle. The flanges of
the angle must be long enough to overlap the glass block panels
on both sides by 1 inch. Expansion joint material is placed
between the glass block and the post or tubing. The inside corner is covered with a steel or aluminum “T”. Two of the ”T”
flanges cover the corner while the third flange fits into one of the
expansion joints. Again, the inside corner flanges must cover the
glass block face on each side by
1 inch. Expansion material is
stuffed into the edge of each
flange, then a bead of caulking
is run between the flange and
the glass block to seal each
joint.
Diagram B shows a variation of
the above corner-making
method. In this version, the
steel tubing or wood post is left
visible without any aluminum
angle attached. The posts act as
Diagram A
jambs. An expansion strip is
placed between the glass block
panel with panel anchors to tie
the glass block panel to the
post. Then a bead of caulking is
run between the post and panel
to seal the joint.
Diagram B
Page 19
Diagram C shows a stepped corner. The first diagram showed a
post covered with a steel or aluminum angle. In the steppedcorner method, the post is eliminated and the angle is reversed.
With the angle secured to floor
and ceiling, channels are
attached to each side of the
angle and the channel method
of securing glass block panels is
followed.
Diagram C
The most pleasing 90 degree
corner is that made with a special corner block which offers a
smooth seamless appearance
without the interference of contrasting materials (Diagram D).
The limitations of this block,
however, are that it is available
only in wave design.
Diagram D
Page 20
Specialty Blocks
End blocks in both 8 X 8 X 3 1/8” and 8 X 8 X 3 7/8” are now
available with rounded finished ends. This allows construction of
walls with exposed vertical or horizontal edges, with a totally finished appearance (wave pattern only).
As mentioned above, there is also a 90 degree corner block in
wave pattern, intended to help create a seamless corner. It will
accomodate either the thick or thin block series.
Pre-Cast Panel System
Entire glass blocks panels can be pre-assembled in our factory,
based on the number of modules needed to complete a project.
We can work with you if you require design assistance or prepare
panels from your plans or drawings.
Our panels are normally manageable by one or two people who
will then do the final erection at the work site. Even curved or
serpentine walls can be pre-constructed. Replacement or infill
panels for any size window or wall opening can also be pre-fabricated. Just call or fax us with the measurements and we will
create drawings showing the different possible combinations of
blocks required to fill the opening. The drawings will show the
correct positions for wall panel anchors, horizontal joint reinforcing, spacers and expansion material. The locations are important
due to the need to tie the blocks to the surrounding structure,
yet still allow for expansion and contraction.
The finest materials go into our special mortar mix such as latex
and acrylic bonding agents for superior thermal shock and water
resistance. The final installation time is reduced dramatically
over laying loose block, yielding great savings on labour costs
while providing a superior quality finished appearance.
Smaller panels of up to 15 sq.ft. can be produced using a clear
construction-strength silicone which allows a seamless appearance.
Page 21
Typical Physical Properties of Glass Blocks:
Available Patterns:
Wave
Page 22
Ocean View
Quadra
Diamond
Page 23
Bromo
Ice
Wave Finishing End
(8X8X4) and (8X8X3)
Page 24
View (Clear)
Pristal
Matrix
Page 25
Product Order Index
UPC Ctn
UPC Each
SKU#
Style
Size
619284288020
619284088026
7902
Wave
8X8X3
10
300
619284268121
619284068127
7912
Wave
6X8X3
10
400
619284266226
619284066222
7922
Wave
6X6X3
10
480
619284248321
619284048327
7932
Wave
4X8X3
10
600
619284288822
619284088828 7902-EB
Wave End Thin
8X8X3
10
300
619284288426
619284088422
Wave
8X8X4
8
240
619284288938
619284088934 9802-AB
Wave 90 angle
8X8X4
4
240
619284288945
619284088941 9802-EB Wave End Thick
8X8X4
8
240
619284279035
619284079031
7903
Pristal
8X8X3
10
300
619284279134
619284079130
7913
Pristal
6X8X3
10
400
619284279233
619284079239
7923
Pristal
6X6X3
10
480
619284279332
619284079338
7933
Pristal
4X8X3
10
600
619284298036
619284098032
9803
Pristal
8X8X4
8
240
619284298012
619284098018
9801
Quadra
8X8X4
8
240
619284298524
619284098520
9852
Ice
8X8X4
8
240
619284279004
619284079000
7900
View (Clear)
8X8X3
10
300
619284279103
619284079109
7910
View (Clear)
6X8X3
10
400
619284298005
619284098001
9800
View (Clear)
8X8X4
8
240
619284279042
619284079048
7904
Bubbles
8X8X3
10
300
619284279059
619284079055
7905
Ocean View
8X8X3
10
300
619284279219
619284079215
7921
Diamond
8X8X3
10
300
619284279530
619284079536
7953
Bromo
8X8X3
10
300
619284298081
619284098087
9808
Matrix
8X8X4
8
240
9802
Page 26
Ctn Qty Skid Qty
Accessories:
Item Description
Drawing
Panel Anchors
Panel Anchors 1 3/4”W X 24”L
Hot-Dipped Galvanized Steel
UPC Code #
Number
of
_____?
Units per
Weight
per carton (lb.)
SKU #
40
50
16
ABK-PA1
20
Bundles
50
26
ABK-PR3
25
20
8
ABK-SO1
25
20
8
ABK-SO2
4
Pallets
70
3,080 lb
GBM-20
16
50
3
ABK-EX2
107 02550 10001 4
Steel Ladder
Hot-Dipped Galvanized Steel
Ladder 1 5/8”W X 48”L
UPC Code #
1 07 02550 10009 0
1/4” Spacers
Thinline 3 1/8”
UPC Code #
1 07 02550 31221 9
1/4’ Spacer for Glass Block
Thinline 3 1/8”
Standard 3 7/8”
UPC Code #
1 07 02550 71221 7
1/4’ Spacer for Glass Block
Standard 3 7/8”
Mortar Mix
Glass Block Latex Modified
Mortar Mix
(20 kg. per bag)
UPC Code #
7-73727-0714-7
Expansion Strips
Expansion Strips
White Closed-cell Polyfoam
2 1/4”W X 24”L X 3/8” Thick
UPC Code #
107 02550 10103 5
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Glass Block Installation Gallery:
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