Sorry for posting this twice (in woodwork also) but I just came across this area of the forum and thought the post would be more relevant here.
I've taken out an old 18mm chipboard suspended floor from the ground floor, apart from the area beneath a u-shaped staircase - used as storage cupboard.
I want to replace it with 22mm PTG floorboards but I'm not sure how to go about removing the chipboard around the staircase - there is the central stud wall, support pillar and the staircase itself all secured to the joists through the chipboard floor.
Should I just leave this area as chipboard and just use 18mm floorboards so the height matches? The timber merchant near me had 18mm 6inch boards and 22mm 5inch boards - would there be much difference in structural performance between these?
Most of the floor will be carpeted - what is the best way to secure the boards. Secret nail/screw or just screw through from the top? It just seems very hard later to lift any boards up for access to sub floor if the boards are screwed through near the tongue at an angle ??
Any help appreciated
Harry
I've taken out an old 18mm chipboard suspended floor from the ground floor, apart from the area beneath a u-shaped staircase - used as storage cupboard.
I want to replace it with 22mm PTG floorboards but I'm not sure how to go about removing the chipboard around the staircase - there is the central stud wall, support pillar and the staircase itself all secured to the joists through the chipboard floor.
Should I just leave this area as chipboard and just use 18mm floorboards so the height matches? The timber merchant near me had 18mm 6inch boards and 22mm 5inch boards - would there be much difference in structural performance between these?
Most of the floor will be carpeted - what is the best way to secure the boards. Secret nail/screw or just screw through from the top? It just seems very hard later to lift any boards up for access to sub floor if the boards are screwed through near the tongue at an angle ??
Any help appreciated
Harry