Roof Replacing Ridge Board

Repeat the process on the other side of the old rafter so that the old is sandwiched between two new pieces.

Roof replacing ridge board.

Ridge beam sizing is based on the span of the beam between supports and the amount of roof load supported by the beam. Openings along the sides allow air out of the attic cooling the space and lowering your air conditioning bill. After all it keeps water out of the building. For 2 x 4 rafters use a 2 x 6 ridge board.

Install the second rafter leg in the same manner. You may splice two boards together to achieve this length if necessary using a 14 and 1 2 inch block of the same material. Roofers use a circular saw to cut a long slot along the roof ridge if there isn t one then cover it with a plastic flap as shown or a flexible vinyl matrix. It should be enough to replace your roof with materials of the same quality as the original roof including professional installation.

The ridge board s length will be the outside measurement of the building plus the length of the overhang at both ends. Make minor repairs on the roof if it is in good condition. Use a hammer and nails to fasten the new rafter to the old and drive nails through the rafter and into the ridge beam at its top end. If it is significant and the board needs replacing it is not simple typically a 1000 job or so because temporary supports need to be put in to spread the rafters apart and hold them there while the ridge board is removed and replaced which may involve typically 5 8 rafters being held apart during the replacement of the board.

A ridge board is a non structural member that serves as a prop for opposing rafters to rest against and connect to. On some of rafters the bent nails are also visible through the gap. How to repair gap between ridge board and rafter at the roof of my house. For 2 x 6 rafters use a 2 x 8 ridge board and so on.

Here s the warning. The roof is arguably the most important component of your house. If not replace bad wood with new plywood sheathing or 1 x 6 sheathing boards whichever is applicable to your type of roof. Ridge beams are required by code if the roof slope is less than 3 in 12 irc section r802 3.

Venting prolongs the life of the roof. And while nobody likes having to pay to replace a roof the critical and aesthetic function it serves should help ease the pain of spending 8 000 to 20 000 on the work.