Mill finish grade 1.4301 (304) stainless steel self drilling fastener. The end laps sealed with a 4 mm diameter high grade butyl mastic. The side lap sealed with a 50 x 1 mm high grade butyl mastic positioned on top of joint.
Mill finish grade 1.4301 (304) stainless steel self drilling fastener. The end laps sealed with a 4 mm diameter high grade butyl mastic. The side lap sealed with a 50 x 1 mm high grade butyl mastic positioned on top of joint.
Air and vapour control layer
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Material
The liner sheet generates the air tightness within the Built-Up System, with liner side laps sealed using 50 x 1 mm butyl mastic strip sealant, and end laps incorporating a single run of 4 mm diameter bead butyl mastic strip sealant.
The liner sheet generates the air tightness within the Built-Up System, with liner side laps sealed using 50 x 1 mm butyl mastic strip sealant, and end laps incorporating a single run of 4 mm diameter bead butyl mastic strip sealant.
Sealing
Instaloc Plus, manufactured Bar from 1.25 mm high tensile hot-dip galvanized steel (S390GD+Z275 to EN 10346), incorporating a 40 mm spigot end for easy on-site construction and to form a continuous level support. Brackets manufactured from 1.55 mm high tensile galvanized steel (S390GD+Z275 to EN 10346).
Instaloc Plus, manufactured Bar from 1.25 mm high tensile hot-dip galvanized steel (S390GD+Z275 to EN 10346), incorporating a 40 mm spigot end for easy on-site construction and to form a continuous level support. Brackets manufactured from 1.55 mm high tensile galvanized steel (S390GD+Z275 to EN 10346).