Nortrax
190 David Manchester Road, Ottawa
16 May 2014
1
08 80 00
GLAZING
Page 1
General
Drawings indicate extent of glazing. Drawings and schedules show type and colour of glass
as well as method of glazing.
1.1
RELATED WORK
.1
Aluminum doors and frames
.2
Aluminum windows
.3
Aluminum curtain wall systems
1.2
REFERENCES
.1
ASTM C542 (1984) Specification for Lock-Strip Gaskets.
.2
ASTM E90 Method for Laboratory Measurement of Airborne-Sound Transmission Loss of
Building Partitions.
.3
CAN/CGSB-19.2 Glazing Compound, Non-hardening, Modified Oil Type.
.4
CGSB 19-GP-5 Sealing Compound, One Component, Acrylic Base, Solvent Curing.
.5
CAN/CGSB-19.6 Caulking Compound, Oil Base.
.6
CAN/CGSB-19.13 Sealing Compound, One Component, Elastomeric, Chemical Curing.
.7
CAN/CGSB-19.18 Sealing Compound, One-Component, Silicone Base, Solvent Curing.
.8
CAN/CGSB-19.21 Sealing and Bedding Compound Acoustical.
.9
CAN/CGSB-19.24 Sealing Compound, Multi-Component, Chemical Curing.
.10
CAN/CGSB-12.1 Glass, Safety, Tempered or Laminated.
.11
CAN/CGSB-12.2 Glass, Sheet, Flat, Clear.
.12
CAN/CGSB-12.3 Glass, Polished Plate or Float, Flat, Clear.
.13
CAN/CGSB-12.4 Glass, Heat Absorbing.
.14
CAN/CGSB-12.5 Mirrors, Silvered.
.16
CAN/CGSB-12.8 Insulating Glass Units.
Nortrax
190 David Manchester Road, Ottawa
16 May 2014
.17
CAN/CGSB-12.9 Glass, Spandrel.
.19
CAN/CGSB-12.11 Glass, Wired, Safety.
1.3
08 80 00
GLAZING
Page 2
SAMPLES
.1
Submit duplicate 100 x 100 mm size samples of each glazing unit type and each type and
colour of sealant material.
2
Products
2.1
GLASS MATERIALS
.1
Clear sheet glass: to CAN/CGSB-12.2 – 6 mm (1/4") thick unless noted otherwise.
.2
Tempered safety glass to CAN2-12.1, Type 1, Class A of 6 mm (1/4") thickness unless
indicated otherwise. Tint as specified by Architect. Laminated film thickness 0.06 mm
(0.002").
.3
Laminated safety glass to CAN2-12.1, Type 1, Class A of thickness indicated. Tint as
specified by Architect. Laminated film thickness 0.06 mm (0.002").
.4
Mirrors silvered, glass: to CAN/CGSB-12.5, silvered, 6 mm (1/4") thick, unframed, ground
and polished edges and supported with concealed tamperproof fasteners.
.5
Wired glass: to CAN/CGSB-12.11, Georgian wire mesh style, 10 mm (3/8") thick.
.6
Insulating glass units for curtain wall, exterior windows and exterior door lites:
.1
CAN/CGSB-12.8, with outer pane of 6 mm (1/4") thick green glass and inner pane
of 6 mm (1/4") thick clear glass with 25 mm (1") total thickness, capillary tubes.
.7
Acoustic insulating glass units for windows between shop and offices:
to CAN/CGSB-12.8, with one sheet of 10 mm (3/8") thick float or plate glass and one sheet
of 6 mm (1/4") thick clear glass, with hermetically sealed space of 100 mm (4") width,
minimum STC of 39 to ASTM E90.
.8
Segmented glazing at front entrance to be laminated glass to dimensions indicated on
drawings with openings for connecting bolts factory drilled. Colour to match curtain wall
glazing.
2.2
GLAZING AND SEALING COMPOUND MATERIALS
.1
Glazing compound:
.1
oil base, to CAN/CGSB-19.6 – Use type 1 (gun grade) for general use, colour to
match frame.
Nortrax
190 David Manchester Road, Ottawa
16 May 2014
08 80 00
GLAZING
Page 3
.2
Sealant compound: one component acrylic base, to CGSB 19-GP-5M, gun grade, colour to
match frame.
.3
Sealing and Bedding Compound, Acoustical: to CAN/CGSB 19.21.
2.3
ACCESSORIES
.1
Glazing tape: preformed butyl tape, 10-15 durometer hardness, paper release, colour to
match frame.
.2
Setting blocks: neoprene, Shore "A" durometer hardness 10-15, 100 mm (4") long x 6 mm
(1/8") high x width to suit glass thickness.
.3
Spacer shims: neoprene, Shore "A" durometer hardness 80 mm (3 ¼") long x 2.4 mm
(0.090") thick x 10 mm (3/8") high. Select sealants which are compatible with neoprene.
.4
Glazing splines: manufacturer's standard dry glazing neoprene splines to suit aluminum
extrusions, colour to match frame.
.5
Glazing points and wire spring clips: corrosion resistant, manufacturer's standard.
.6
Lock-strip gaskets: black neoprene to ASTM C542. Provide internal drainage channel with
drainage holes in sill section. Injection mould one-piece corner sections and heat-seal to
main gasket.
.7
Primer-sealers and cleaners: to glass manufacturer's standard.
.8
Breather tubes: to manufacturer's standard.
3
Execution
3.1
WORKMANSHIP
.1
Remove protective coatings and clean contact surfaces with solvent and wipe dry.
.2
Apply primer-sealer to contact surfaces.
.3
Place setting blocks as per manufacturer's instructions.
.4
Install glass, rest on setting blocks, ensure full contact and adhesion at perimeter.
.5
Install removable stops, without displacing tape or sealant.
Nortrax
190 David Manchester Road, Ottawa
16 May 2014
08 80 00
GLAZING
Page 4
.6
Provide edge clearance of 3 mm (1/8") if area of unit less than 1 m2 (10 sq.ft.); 5 mm
(3/16") if area of unit 1 m2 to 2 m2 (10 to 20 sq.ft.), 6 mm (1/4") otherwise. For plastic
glazing sheets consult manufacturer.
.7
Insert spacer shims to center glass in space. Place shims at 600 mm (2'-0") o/c and keep 6
mm (1/4") below sight line.
.8
Apply cap bead of sealant at exterior void.
.9
Apply sealant to uniform and level line, flush with sightline and tooled or wiped with
solvent to smooth appearance.
.10
Do not cut or abrade tempered, heat treated, or coated glass.
3.2
EXTERIOR GLAZING
.1
3.3
Wet method - sealant/sealant:
.1
Apply sealant to back and bottom of rabbet.
.2
Bed glass in position with sealant.
.3
Fill gap between glass and stops with sealant to depth equal to bite of frame on glass
but not more than 10 mm (3/8") below sightline.
INTERIOR GLAZING
.1
3.4
Wet method - compound/compound:
.1
Apply sealant to back and bottom of rabbet.
.2
Bed glass in position with sealant.
.3
Locate and secure glass using spring wire clips or glaziers' clips.
.4
Fill gaps between glass and stops with compound until flush with sightline and tool
to smooth straight line.
MIRROR INSTALLATION
.1
3.5
Install mirrors where indicated using clips.
FINISHING
.1
Immediately remove sealant and compound droppings from finished surfaces. Remove
labels after work is completed.
END OF SECTION