Sheath the roof and cover with heavy roofing felt.
Free standing roof shear bracing.
Wind direction 1.
Level 1 and level 2.
Bracing are assumed to act at center span.
Pvc roofing will sweat in the days when there is a heavy frost on the roof.
An elastic restraint against twist and an elastic restraint against lateral displacement at a distance a above the shear center.
Moreover these pergolas have a wider spectrum of designs as compared with attached pergolas.
Level 1 level 2.
An alternative suggestion is a tin roof.
Wind direction 1 wind direction 2.
The first alternative lateral load anchor for a deck i ever designed consisted of a double 2x10 diagonal brace anchored to the deck framing with 1 2 inch through bolts and to the foundation wall with a beefy 6 inch by 4 inch by 12 inch long l bracket fabricated from 3 8 inch steel.
Wind direction 2.
North elevation east elevation.
Being at a certain distance from the house a free standing pergola creates a separate island where you can enjoy your privacy and the fresh air not going far from home.
Of course continuous lateral restraint is pro vided by the roof deck because the shear stiffness of the deck enables.
Its very important to be confident that the deck framing structure.
When the sun hits the roof condensation will build up underneath and start to rain inside the carport.
Table 13 6 1 provides a list of typical components and the coefficients required to determine the force level the attachments and supports are to be designed for.
1604 depth roof frame 900 2077 depth of roof frame 1120.
Then strap the roof with 2 4 s and install the tin.
How to secure and brack deck support posts for when you are building a free standing deck.