Porch Roof Post Spacing

Adding a covered porch adds exterior space to a house and providing a.

Porch roof post spacing.

A 4 by 10 can usually span up to 12 feet between posts. Keep in mind that these figures depend on the size and spacing of joists and the overall structural loads. In general the maximum span for a 4 by 6 beam is 6 feet between 4 by 4 posts. Careful consideration needs to be given to the location size and number of posts and columns your porch needs.

Solid lumber such as 4 by 4s 6 by 6s and 8 by 8s. Post spacing is going to depend on your design local building codes the size and length of your beams and the size of your posts. You must have a porch post at each corner of the porch. Never place concrete next to wood.

Once you decide the distance measure from the house for the first row of boards. A roof protects a house and porch from snow and rain as well as the heat of the sun. Here we look at the most common. How to properly space posts.

Considerations there are several considerations to be made in determining the proper placement of posts. For typical decks where only a few family members or the occasional extra guest and backyard patio furniture are expected the average 5 foot to 8 foot measurements for post spacing can be used but if you expect heavy loads of any kind you will need to contact an engineer as well as your local building inspector to determine the exact spacing. Maximum rafter spans for a patio roof in areas with mild climates patio roofs are generally designed for loads of 30 psf pounds per square foot. Rule of thumb a beam can span about one foot for every inch of depth.

Post spacing should be even. An essential part of planning a patio roof or gazebo project is determining the number size and spacing of rafters beams and posts according to the loads they will carry. Patio roof posts columns posts and columns may be made from several types of materials. If your porch will be a wrap around then it is desirable to have the same distance between porch posts on each side of the porch.

Using the 2005 nds i calculated that the same post can support 231 square feet so it would seem there s no problem using 4x4s to support say an average sized intermediate stair landing. 2x12 doubled can span 12 normally. If you move up to 4 by 8 you re usually allowed to span up to 10 feet between posts. With just rafter load.

2x4 doubled can span 4 etc. Minimum roof pitch for a covered porch. Typical post size is a pressure treated 4 4.