How To Fix A Sagging Porch Floor

Start by fastening temporary wood blocks to the rafter tails image 1.

How to fix a sagging porch floor.

This is typically a result of poor foundation work or no foundation at all. On the top side of the floor another fix it idea to lay down new hardwood over the existing floor. This causes floors to sag. 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.

Make sure the porch floor has a slight slope to it between 1 8 and per linear foot for tongue and groove floors. From what i ve read a deck without gaps in the flooring should slope about 1 4 over 12 to allow for watershed. With the sections joined sister the two to create a 20 foot length image 2 which will span the porch. Thre ways to fix a sagging or sloping floor.

Join two sections of 2x6 for the temporary beam. Water from a leak flooding or waterproofing problems can rot subfloors floors and damage joists. 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. Over time old school wooden pier style supports rot out or sink giving.

Things to consider with jack up a porch roof the prep. Sagging porch lines are common on older homes. So to begin i removed the existing counter flashing running about 5 courses up this was as easy as finding nails and prying. Repairs will involved drying out the wet area getting.

In raising the roof i knew was going to have to reset the roof s flashing as it meets a sidewall of the house. 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. I guesstimate my deck is sloping a few inches over 12. This will protect the original porch wood and support the temporary beam.

Fix the sagging deck the game plan. You will have to make sure your joists can handle the addition of considerably more weight from the plywood subfloor and any floor coverings.