Side Lap Roofing

Fortunately with a few safety precautions and some basic information metal roof installation is a very accessible project.

Side lap roofing.

Roofing lap the amount by which roofing tiles slates shingles flashings etc overlap each other to achieve waterproofing. If lap sealant is used simply apply a bead of sealant on top of the underlap ridge going all the way down the length of the. The side lap also is referred to as a side joint vertical joint keyway bond line or rain course. Flexible foam that is uv resistant and won t scratch the paint.

When you re repairing or installing a new metal roof it s important to know how to properly lap the roofing material. As with side lap roofing it s good practice to use lapping tape to help create a robust weather resistant joint. Doing so can prevent water damage to the underlying structure and will help with insulating the building. The rolls can be easily cut to length.

Why a side lap joint matters. Tile effect sheet side laps. Apply side lap sealant if the pitch of your roof is 2 12 or less. Adhesive on one side allows the tape to remain in place while installing it.

When two pieces of metal deck with the same profile are adjacent a side lap joint can be used to fasten the two sheets together by overlapping a portion of each sheet by using a side lap fastener. How a side lap joint works. Flow tile and wave tile can only be laid right to left whilst brit tile can only be laid left to right. Below you will find examples of side lap details for our most popular profile types.

As defined in the glossary of the nsa manual it s the longitudinal joint between two slate shingles. For end lap joints a minimum sheet over sheet overlap of 250mm should be allowed for where the sheets lap. Rolls and installs in the side lap of the roof and wall panels. This side lap tape sealant comes in 150 ft.

Tile effect sheets can only be laid in one direction this is due to the gutter detail at the bottom of the sheet. End lap refers to the amount of overlap in a direction following the roof slope. This lap must be supported underneath by a purlin to be secure and long lasting. Side lap refers to the overlap in a sideways or horizontal direction.

Side lap roofing end lap joints.