Below is an image of a loft entrance.
How to fit loft floor panels.
Unlike plywood the edges of chipboard panels are meant to lock together in a tongue and groove style.
Loft boards and loft panels are a great basis for a loft conversion whether it ll be inhabited and used a bedroom for example or whether it ll be uninhabited and used for storage.
This makes for a tighter fit across the floor.
As above where for loft flooring or loft storage the ceiling or loft floor is designed to carry only 25kg per square metre.
Your sub floor joists should be at 400mm centres meaning the edge of the boards always falls on a joist too.
You can still board directly on to the joists if you want but it is worth noting that this would not.
Furthermore squashing insulation down to fit joist height is a bad idea as this halves it s effectiveness doubling your heat loss.
Other areas of this loft use space blanket.
The best solution is to build a raised loft floor above the insulation details of which are shown below.
A loft can be a cramped and dusty environment to work in therefore gloves and a face mask are also advisable.
Continue to lay chipboard flooring across the joists for the rest of the floor ensuring the joints along the 600mm edges are staggered always avoid joining on the same joist wherever possible.
This customer wanted the very best insulation above his cold bathroom.
Loft flooring panels like these have tongue and groove fittings a notch or groove along one length and one width then a tongue to fit into the groove along the other edges this gives a more secure joint than a straight edge would do.
Floor level is lower at the loft entrance compared to the storage area.
This is 5 times more than a loft used for storage on loft boards or loft panels.
Despite this tight fit however the chipboard.
Creating greater load bearing capacity in the loft.
320mm wide non moisture proof loft flooring panels allow easy insertion through a loft hatch.
By installing a simple inexpensive loft board floor you no longer need to worry about stepping on battens or falling through the ceiling of the room below.
Pir foam board kingspan insulation has been installed around the loft entrance.