How To Fix A Sagging Porch Floor

Make sure the porch floor has a slight slope to it between 1 8 and per linear foot for tongue and groove floors.

How to fix a sagging porch floor.

Fix the sagging deck the game plan. Water from a leak flooding or waterproofing problems can rot subfloors floors and damage joists. Decking with gaps doesn t require the watershed angle. In raising the roof i knew was going to have to reset the roof s flashing as it meets a sidewall of the house.

On the top side of the floor another fix it idea to lay down new hardwood over the existing floor. Thre ways to fix a sagging or sloping floor. If the porch is deeper than 8 use a slope closer to 1 8 per foot to avoid a pronounced slant if the porch floor isn t tongue and groove allow at least between new or replacement boards as you lay them to. This is typically a result of poor foundation work or no foundation at all.

A plywood subfloor will bridge any minor waves in the existing floor and leveling compound would help too. Depending on exactly what needs to be repaired and the scale of the damage the cost to fix a floor sagging from water damage can cost between 2 000 and 6 000. With the sections joined sister the two to create a 20 foot length image 2 which will span the porch. Join two sections of 2x6 for the temporary beam.

This will protect the original porch wood and support the temporary beam. Start by fastening temporary wood blocks to the rafter tails image 1. So to begin i removed the existing counter flashing running about 5 courses up this was as easy as finding nails and prying. Things to consider with jack up a porch roof the prep.

Depending upon the conditions it is possible to strengthen or repair existing framing members such as floor joists or roof rafters by adding reinforcing material sandwiching the member on either side with plywood is sometimes worthwhile but the plywood must be installed correctly for greatest strength. In this style framing the entire structure will sag in that area usually causing cracks in walls ceilings or doors rubbing their frame you will need a proper footing under the post jack because your lifting much more weight if your correcting a sagging interior floor in ether style framing locate the main support beam in that area the large. You will have to make sure your joists can handle the addition of considerably more weight from the plywood subfloor and any floor coverings. Sagging porch lines are common on older homes.

Over time old school wooden pier style supports rot out or sink giving. I guesstimate my deck is sloping a few inches over 12.