Blocklayer Roof Plans

Gambrel roof framing geometry calculator inch this gambrel roof fits in a semicircle and starts as the top half of an equal sided octagon.

Blocklayer roof plans.

Porch roof extensions for hip roof porch extensions from an existing building wall you can use half the calculator results. Check overhang to calculate rafter overhang equal to the lower level cut at the full rafter depth. Minus ridge thickness to allow for ridge becoming pole plate roof peak will be slightly higher ridge thick must be same. S1 s4 s13 s16 s17 s20 s25 28 hip rafters layout.

After they re up you can snap a line to mark and trim the tails in a nice straight line to make up for any ridge warp or marking cutting and fixing errors. Move slider or directly enter angle to alter sweep angle of lower rafters and change the shape. Enter the extension wall length into wall length and double the extension wall width then minus ridge thickness into the wall width entries. Enter the extension wall length into wall length and double the extension wall width then minus ridge thickness into the wall width entries.

Porch roof extensions for hip roof porch extensions from an existing building wall you can use half the calculator results. Minus ridge thickness to allow for ridge becoming pole plate roof peak will be slightly higher ridge thick must be same. Running measurements vertically lower floor to top of each tread possible landing heights blue middle to calculate and display upper floor opening and stair head room enter upper floor thickness check the show head room check box and drag the head slider to calculate and animate diagram head room and floor opening. S5 s8 s9 s12 s21 s24 s29 32 jack rafters layout right side.

Gable roof framing calculator plan diagram with full dimensions for a good straight fascia add an extra inch or 2 to the tails of all your rafters total length.