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Homepage ⁄ Products ⁄ Flat Roofing ⁄ Technical information ⁄ isofast IG/IW
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Technical information: isofast IG/IW |
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| Material: |  |
| Screws: | IG: hardened carbon steel
Durocoat corrosion protection
IW-T: hardened carbon steel
Durocoat corrosion protection
IW-S: stainless steel, austenitic 304/A2 |
| Stress plates: | steel, aluzinc plated |
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Applications:
isofast IG: for the fastening of waterproof membranes and insulation (min. compressive strength 0,07 N/mm²) to timber decks.
isofast IW: for the fastening of waterproof membranes to timber decks.
Generally:
Oriented strand board minimum 18 mm. Type F2 to BS 5669/pt 3 1992.
Solid softwood minimum 22 mm thick.
Recommended design loads:
isofast IG: with stress plate IRD 82 x 40, 500 N per fastener
isofast IW: with stress plate IRC/W 82 x 40, 500 N per fastener
Both above with reinforced membranes otherwise 400 N per fastener
The design load can vary for each roofing system.
Please check with membrane manufacturers' data.
On refurbishment contracts pullout tests required.
Installation tools for optimum efficiency:
DI 600 screw gun
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