How To Fit Bitumen Corrugated Sheet

The first row of sheets should extend out over the bottom purlin to allow rainwater drainage.

How to fit bitumen corrugated sheet. Overhang the sheets at the fascia by 5cm to form a drip edge. Circular saw 2 x research source slower than angle grinder but follow same step 2 pre drill holes on the ridges. Ensure the sheets are positioned square to the line of the eaves and verge first nailing the sheet edges. Most panels come up to 32 feet 9 8 m in length.

If yours do not. Wear hearing and eye protection. Here i show you how easy it is to re roof a shed with onduline roofing. In this guide we will be focusing on bitumen and pvc corrugated roofing sheets.

Step 1 cut the panels to the desired length. Allow for a minimum of 18 inches 46 cm if you need to lap to complete the run. Bitumen corrugated sheets bituminous roofing systems provide durability and are ideal for sheds and other outdoor structures. Secure the edge of the sheet at the gutter end every second corrugation.

Trim any excess with shears. 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. Many also use corrugated sheets as a low cost durable alternative to upvc cladding. Bitumen shed roofing sheets are typically sized 2m x 950mm.

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. Reduce the fixing centre to the first purlin up. Btm corrubit installation video.

Fitting sheets step 1. Some panels have pre drilled holes. Secure the sheets to the roof by using stainless steel fasteners. Paint or prime cut edges to prevent rust.

Angle grinder 1 x research source the fastest option. All the while corrugated roofing sheets are flexible. Use lapping tape across side and end laps.