How To Lay Bitumen Corrugated Roof

When i built my garden shed in 1987 i used onduline corrugated roofing following the.

How to lay bitumen corrugated roof.

Metal roofing is also available in the form of shingles. Then attach the drip end flashings 8 to 12 inches apart. Be sure before you fasten the roofing itself however that you lay down closure strips underneath where the screws will go. You may need to cut panels to fit angles using a circular saw with a metal saw blade.

Use cap nails and hammer them attaching the nails on the felt and the concrete. After clearing the roof from dirt and obstruction it is time to put the roofing felt on the roof. Place it at one bottom corner allowing an overhang of two inches on each edge. Seal the sides of the corrugated bitumen sheets with foam strips or spray foam.

To install corrugated roofing start by cutting your panels to length with an angle grinder. Leave approximately 6 to 8 inches between nails. Secure the sheets to the roof by using stainless steel fasteners. Secure the edge of the sheet at the gutter end every second corrugation.

Next pre drill holes on the end and side ridges of the panels spacing the holes 6 to 8 inches apart. Make sure you space these fasteners every three to four corrugations. You can find the most recent onduline fixing guide on our website where you can save money on buy onduline roofing sheets http bi. The corrugation should run up the roof toward the ridge.

Get help to lay the first sheet onto the roof. Reduce the fixing centre to the first purlin up. Continue adding panels until the roof is covered. Install the panel so that the short lip overlaps the large lip.

Beginning at the outside edge of your roof place each panel directly onto the purlins that are attached to the roof trusses. Ensure the sheets are positioned square to the line of the eaves and verge first nailing the sheet edges. Position and fix the verge barge board. Btm corrubit installation video.

Sorry for the old video. Here i show you how easy it is to re roof a shed with onduline roofing. The silicone will spread and adhere creating a seal. Fitting sheets step 1.