Help - advice needed. - Concrete gap filler

[Darren Johnston]

I've recently installed a concrete drive. This has been installed in two sections. Each section runs towards the other to allow the rain water to run off the driveway and away from the house

I installed shuttering between the two sections of driveway. This wooden shuttering forms the lowest point of the driveway where all the water runs down. I want to remove this wooden board (which is 1 inch thick by 6 inch deep by 6 meters long) and fill this gap with some kind of filler to prevent the rain water going into this crack. What is the best thing to use? Bitumen, concrete....????

Also please can you advise where I can purchase above products with some idea of price.

Excellent website. Keep up the good work.

Thanks

[Tony McC]

How the hell are you going to get a six inch deep board out from between those concrete slabs? Rather you than me!

If you ever manage to get the board out, use Thioflex or some other branded polysulphide concrete joint sealant to plug the gap. You can get it at decent BMs, or from civils merchants such as Cooper Clarke, UGS, Burdens, etc.

Can't advise on cost - that's not what this site is about. I don't sell owt.

[Darren Johnston]

Tony thanks for your reply. I'm not entirely sure how the wifes going to manage to remove the boards? Sure she'll manage.

Thioflex huh?

I'll ring about and see how much.

[Darren Johnston]

Actually been thinking about this one. If the wife will be unable to remove it perhaps we better try a different approach.

As Tony said the board is very securely held. There are slight hairline cracks running along one edge. I really just wanted a way of stopping the water going under the concrete down these cracks. Is there something else I could effectively seal these with?

[Tony McC]

You've lost me - where are these hairline cracks? Alongside the 'boards'? Or somewhere else? Are you hoping to seal over the top of these boards?

[Darren Johnston]

Yeah they are alongside the boards. Appreciate won't be able to completely seal them but making them more water tight would be good.

[danensis]

Why not just get a decent wood bit in your drill, and drill a few vertical holes so the water will drain through the wood.

In a few years time it will be rotten enough to fish out with a finger.

[Darren Johnston]

That’s not an option I’m afraid. I want all the water to run off the driveway and away from the house rather than down to the soil beneath.

[Tony McC]

I think a photie would help.

Hairline cracks aren't an issue as long as they are just hairline cracks and not summat more serious. Smearing thioflex of similar over them will make a right bloody mess and achieve very little in the way of structural competence.

Would it be possible to rout out the old timber to a depth of, say, 25mm and then top up with thioflex or polysulphide?