SEMI-RIGID ASPHALT BOARD
Semi-rigid board is composed of a mineral fortified asphaltic core formed between two saturated fiberglass felts. This board is designed to be used as a substrate material in low-slope roofing. It can be installed over wood, rigid insulation or as a recovery board over an existing roof surface to be re-roofed.
Benefits
- Compatible with most bitumen and built-up roofing (BUR) systems
- Easy to handle and install
- Mold resistance
Tests and certifications
Properties
Function
Roofing
Product roles
Support Panels
Building Component
Roofs
Technology
Oxidized bitumen
Characteristics
Types of Slope
Outside low slope
Type of covering
SBS modified bitumen membranes
Substrates
- Plywood
- OSB
Surface
Layer of asphalt saturated fibreglass
Reinforcement
Glass mat
Application
Mechanically fastened
Service temperature
-45 °C to 85 °C (-49 °F to 185 °F)
Thickness
125 mils (3.2 mm)187 mils (4.8 mm)250 mils (6.4 mm)
UV exposure
Cover as soon as possible
Instructions
Storage instructions
If the products are stored outdoors, cover them with an opaque protective cover after removing the delivery packaging. Can withstand freezing.
Minimum application temperature
Can be used in any temperature
Maximum application temperature
Can be used in any temperature
Tools required
- Knife
- Tape measure
- Hammer
- Wide head nails
Surface Preparation
The substrate must be clean, dry, and free of dust, grease or other contaminants.
Restrictions
Do not apply directly to new wood boards. When using asphaltic boards, a non-bituminous separator sheet, such as a RESISTOR membrane, must be installed between the planks and base boards.
Previous identity
Conditioning
Products
Product code
Width
Length
Gross area
Weight
Weight per skid
SEMI-RIGID ASPHALT BOARD
Product code
08421
Width
4 ft (1.22 m)
Length
5 ft (1.52 m)
Gross area
20 ft² (1.86 m²)
Weight
38.5 lb (17.5 kg)
Weight per skid
2,262 lb (1,026 kg)
Without box
SEMI-RIGID ASPHALT BOARD
Product code
08420
Width
4 ft (1.22 m)
Length
5 ft (1.52 m)
Gross area
20 ft² (1.86 m²)
Weight
18.7 lb (8.5 kg)
Weight per skid
1,772 lb (804 kg)
Without box
Palletization
Products
Barcodes
Product code
Units per skid
Weight per skid
SEMI-RIGID ASPHALT BOARD
Barcodes
Product code
08421
Units per skid
60
Weight per skid
2,262 lb (1,026 kg)
SEMI-RIGID ASPHALT BOARD
Barcodes
6 23680 08420 9
Product code
08420
Units per skid
100
Weight per skid
1,772 lb (804 kg)