Replacing a block garage roof

[Challo]

We have recently bought a house which has a garage in a block. The roof is leaking and needs to be replaced, but unsure the best approach as a) is part of a row of other garages, and b) I think the roof will have asbestos.

It seems that over the years it has sustained damage from the surrounding oaks trees, causing small holes in the roof and breaking a small section at the front. The previous owners of the house had done some small repairs with plastic sheets but it’s not great.

Has anyone repaired one similar and would now indicative costs? As it’s asbestos I’d prefer not to do this on my own.

Is it the case of them stripping off the old sheets and laying new ones?

Thanks

[Caddyshack]

We looked at this for my mums house. There are companies that can remove the top on the basis that it is likely to have asbestos. I think it was about £2000 including a builder to lay a new covering. Ideally you want the buy in from the other garage owners to get it all done properly.

I have one on a buy to let property but so far it seems pretty water tight although I did get an odd stain on the roof of a car I stored in there once.

[Condi]

Get it tested, it might be fibre cement. Once you know what you're dealing with you can go from there. Many council tips do accept asbestos though and those sheets are a very safe form of the mineral, so there is nothing to stop you taking them to a tip whatever they are. Usually double wrap in plastic and you will need to book them in.

The wooden trusses look to be a bit knackered, so probably best stripping it all down and starting again with some new woodwork and some new fibre cement sheers.

[Challo]

Thanks. I will get a test kit ordered, and at least see what the roof is made off.

I will need to wait for a few months for the warmer weather and let the wood dry out and see what state its in. It looks like some have been replaced before but will take a closure inspection.

[Mr Pointy]

It can be done fairly easily & even if the panels do contain asbestos they aren't difficult to deal with - our local tip takes them if they are wrapped correctly. Depending on the state of the joists it could easily be £1500-2000 to do, depending somewhat on where you are in the country.

One issue I had is that I still get water ingress from the adjoining garage at floor level under the walls.

[ferret50]

Asbestos is only a risk if one inhales the fibres, so do not cut the sheets up to remove them.

Take them off whole, then dispose of as suggested above, or as advised by your local council.

[Caddyshack]

Mr Pointy said:

It can be done fairly easily & even if the panels do contain asbestos they aren't difficult to deal with - our local tip takes them if they are wrapped correctly. Depending on the state of the joists it could easily be £1500-2000 to do, depending somewhat on where you are in the country.

One issue I had is that I still get water ingress from the adjoining garage at floor level under the walls.

My mum had the ingress under but we were able to trowel over a waterproofing sand and cement type mix to help seal the floor to the walls - it worked.

[Mr Pointy]

Caddyshack said:

Mr Pointy said:

It can be done fairly easily & even if the panels do contain asbestos they aren't difficult to deal with - our local tip takes them if they are wrapped correctly. Depending on the state of the joists it could easily be £1500-2000 to do, depending somewhat on where you are in the country.

One issue I had is that I still get water ingress from the adjoining garage at floor level under the walls.

My mum had the ingress under but we were able to trowel over a waterproofing sand and cement type mix to help seal the floor to the walls - it worked.

I'll have a look at that in the summer - it's too wet now.

[Jeremy-75qq8]

is the garage freehold ? If not the freeholder will likely need to do the work.

Whilst not wanting to make a small job uge they will all be knackered so it might be wither getting your neighbours involved. Removing it without touching their roof will be tricky

[netherfield]

Mother in laws single garage had water coming in under the walls, a run of CT1 inside and out cured it.

[Mr Pointy]

netherfield said:

Mother in laws single garage had water coming in under the walls, a run of CT1 inside and out cured it.

I'd need to go a couple of inches up the wall so I'm not sure a bead would do it.

[dhutch]

How many garages are their together? Likelyhood of getting buy in to do them all?

[Challo]

dhutch said:

How many garages are their together? Likelyhood of getting buy in to do them all?

For ours I think there is about 9 in a row, but need to check. A quick glance is that some have repaired roof's separately and others just left as is. Plus its not who uses there's and who doesn't.

I will try and get out there at the weekend and take a more detailed look and what has been done previously. Trying to get everyone to pay for theirs to also be done at the same time will be a no-go.

[dhutch]

Fair, nine is a fair few to try and co-ordinate especially if new to the road. Although still might be worth seeing if those either side are game, if only as the easiest way of keeping yours dry!

Edited by dhutch on Thursday 19th June 11:34

[Basil Brush]

Mr Pointy said:

netherfield said:

Mother in laws single garage had water coming in under the walls, a run of CT1 inside and out cured it.

I'd need to go a couple of inches up the wall so I'm not sure a bead would do it.

My garage used to let in a fair bit of water when it rained or snowed so a couple of years ago I put a fillet around the inside floor edges using some flexible tile adhesive, that I had left over from a bathroom job, and then went over the top with KA tanking slurry. It's been dry since.