I am about to build a glazed outdoor room, and the building permit states that the wall facing the neighbor must have fire protection class EI30. We already have a wall facing the neighbor with 21 mm panel on both sides of a 70 mm wooden stud without insulation.
Looking at page 100 in this: http://www.isover.se/files/Isover_S...yrer_Bygg/IsoverBoken 200709/konstr_brand.pdf and the top option, it seems to be the simplest way to go but does our wall correspond to this?
If it's not enough, how can we best supplement it? Plaster it or can it be painted with fireproof paint? How would you have done it?
A few years ago, I put up double drywall with a staggered seam. I don't know if that's sufficient today. Check with the drywall manufacturers, I think they specify how the wall should be constructed.
In the link they talk about a 12mm wooden board. You have paneling, admittedly thicker. It is not obvious that 21mm paneling is better than a 12mm wooden board.
Mm that's how I reason too, that it probably isn't enough. The easiest way to complement is on the outside, but if I understand the table correctly, it's not enough to do everything on one side of the rule. In the worst case, 4 layers of gypsum to be approved, but is that even enough? I've also checked with Boverket, but they refer to the builder knowing such things.
It's a bit of a shame that more responses haven't come in; what feels a bit awkward for me is the impression that the regulations refer to a classification and then suppliers and builders are left to know this themselves. I'm not a builder, but I will attempt construction if it's not too advanced. Is it the case that everyone just slaps on double gypsum when building conservatories, or do people not care about the regulations? I asked the building permit officer how to do it and got the response that they usually solve it with gypsum, which might be the universal solution...
I want to add that I want to do it right; I understand the point that it shouldn't spread to the neighbor too quickly!
Just built a garage recently and it required double boards. Either plasterboard or OSB and plasterboard. Then there are probably other approved variants. Google fire rating EI30 and you should find some useful information.
How did you determine that double plasterboard was necessary? According to the file in the link at the top of pages 101 and 102, it seems that one plasterboard is sufficient. I'm about to build a garage and I'm looking for information on the subject. I have 95mm wooden studs and 95mm insulation, and it seems that a 9mm plasterboard on the inside is sufficient. And for the ceilings, 12.5mm plasterboard.
How did you handle the garage door itself? I've been searching in vain for an EI30 garage door but can only find Daloc S60 steel doors, which aren't very attractive...
A 13mm gypsum board is rated as ei15. Alternatively, a fire-rated gypsum board that withstands 30 minutes.
Why is the garage door ei30? That sounds strange.
The garage is located inside the house on the lot, and the door faces the street but also the house, and the garage is only 1.8 meters from the house. The construction permit I have received requires that the entire garage must be EI30, including the door.
Garage door with EI30 might be more troublesome. Can they impose such a requirement? Or can one claim that a regular overhead door in AL-sheet + insulation withstands 30 min !?
How did you determine that double gypsum was required? According to the file in the link at the top of pages 101 and 102, it seems that a single gypsum board is sufficient. I'm also about to build a garage and I'm searching for information on the subject. I have 95mm wooden studs and 95mm insulation, and it seems that a 9mm gypsum board on the inside is adequate. And for the ceiling, 12.5 mm gypsum.
How did you handle the garage door itself? I've searched in vain for an EI30 garage door but only find Daloc S60 steel doors, which aren't very attractive...
It was my construction supervisor and the municipality that said so. Double gypsum or OSB + gypsum.
No idea about the door since mine is facing the road, so it wasn't something I needed to consider.
Yes it seems like it... the garage is at the end of the driveway which is next to the house. The corner of the garage is just 1.8 meters from the corner of the house. There's also a carport between the garage and the street. I can always install a Daloc steel door but it won't look as nice as a regular garage door...
The garage is located inside the house on the property, and the door faces the street but also the house, and the garage is only 1.8 meters from the house. The building permit I've received requires the entire garage to be EI30, including the door.
ask your KA to raise this issue with SBK, there is no requirement as far as I know for the garage to be EI30. However, there may be a fire boundary that separates the house and the garage. For example, if the house facade meets EI30 (EI60), then the rules are fulfilled. That is, the purpose is to fire-separate the house and the garage.
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