Lapseal - Foam Sealing Strip
Insulation, Marine & Water, Building & Construction
A compressible, self-adhesive, impregnated Polyurethane foam sealing strip, perfect for sealing gaps in IBR roofing sheets.
Colours: Grey
Branded Products
Directions for use:
- Ensure that roof sheets are free from dust, oil, and grease.
- Peel the release paper from the self-adhesive and place Lapseal on the side and end laps of the roof sheets as required.
- Position Lapseal no less than 25 mm from the edge of the sheet.
- Position the roof sheet and bolt down.
- Lapseal is clean and easy to use.
- Available in various material types and sizes.
- Lapseal is used for waterproofing and dust-proofing the side and end laps of inverted box rib and corrugated roofing sheets.
Composition
- Metal Roofing Sheets: Flexible acrylic polymer-impregnated Polyurethane foam.
- Fibre Cement Roofing Sheets: Flexible wax- and resin-impregnated Polyurethane foam.
Size
- Metal Roofing Sheets: 5 mm x 9 mm.
- Fibre Cement Roofing Sheets: Big Six, Profile B, Canadian Pattern, Modulit, etc.: 10 mm x 20 mm; Canalit: 20 mm x 25 mm.
Porosity
- Metal Roofing Sheets: Compress by 95 % of its original thickness for a waterproof seal.
- Fibre Cement Roofing Sheets: Compress by 75 % of its original thickness for a waterproof seal.
Temperature Range
- Metal Roofing Sheets: -20;°C to +120;°C.
- Fibre Cement Roofing Sheets: -20;°C to +77;°C.
Resistance: Not sensitive to decay, fungi, weak acids or alkaline solutions.
Weathering: Retains memory and sealing qualities (if compressed).
