How To Fix A Sagging Porch Floor

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.

How to fix a sagging porch floor.

This causes floors to sag. Make sure the porch floor has a slight slope to it between 1 8 and per linear foot for tongue and groove floors. Water from a leak flooding or waterproofing problems can rot subfloors floors and damage joists. Decking with gaps doesn t require the watershed angle.

This is typically a result of poor foundation work or no foundation at all. I guesstimate my deck is sloping a few inches over 12. A plywood subfloor will bridge any minor waves in the existing floor and leveling compound would help too. Join two sections of 2x6 for the temporary beam.

On the top side of the floor another fix it idea to lay down new hardwood over the existing floor. 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. From what i ve read a deck without gaps in the flooring should slope about 1 4 over 12 to allow for watershed. Repairs will involved drying out the wet area getting.

Over time old school wooden pier style supports rot out or sink giving. 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. Sagging porch lines are common on older homes. Fix the sagging deck the game plan.

Thre ways to fix a sagging or sloping floor. 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. 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.

Start by fastening temporary wood blocks to the rafter tails image 1. In raising the roof i knew was going to have to reset the roof s flashing as it meets a sidewall of the house.