How To Fit Bitumen Corrugated Sheet

Position and fix the verge barge board.

How to fit bitumen corrugated sheet.

Trim any excess with shears. Secure the edge of the sheet at the gutter end every second corrugation. Use lapping tape across side and end laps. If yours do not.

Bitumen corrugated sheets bituminous roofing systems provide durability and are ideal for sheds and other outdoor structures. Btm corrubit installation video. All the while corrugated roofing sheets are flexible. Circular saw 2 x research source slower than angle grinder but follow same step 2 pre drill holes on the ridges.

Fitting sheets step 1. The first row of sheets should extend out over the bottom purlin to allow rainwater drainage. These play the same role as other roofing sheets but have a corrugated form factor to provide added rigidity and strength. Angle grinder 1 x research source the fastest option.

Allow for a minimum of 18 inches 46 cm if you need to lap to complete the run. Ensure the sheets are positioned square to the line of the eaves and verge first nailing the sheet edges. Secure the sheets to the roof by using stainless steel fasteners. Step 1 cut the panels to the desired length.

Reduce the fixing centre to the first purlin up. Seal the sides of the corrugated bitumen sheets with foam strips or spray foam. In this guide we will be focusing on bitumen and pvc corrugated roofing sheets. When laying sheets if they are corrugated allow a minimum of one corrugation and stagger the sheets using half a sheet to start the second course.

Wear hearing and eye protection. Many also use corrugated sheets as a low cost durable alternative to upvc cladding. When i built my garden shed in 1987 i used onduline corrugated roofing following the. Make sure you space these fasteners every three to four corrugations.

Overhang the sheets at the fascia by 5cm to form a drip edge. Paint or prime cut edges to prevent rust. Here i show you how easy it is to re roof a shed with onduline roofing.