damp treatment electric osmosis or cream

[ico]

Please can you help.
To treat rising damp in a house in Spain, single walls made of concrete hollow blocks and then rendered the damp is mainly on external walls and in some internal walls.
which treatment is more effective the silicone or the electric osmosis ? which one is the better value? which one is easier and cheaper to install ? and finally where can I buy the electric osmosis material in the UK as I intent to install it myself.
Any help or advice will be really appreciated.

Regards Ico

[ultimatehandyman]

Hi ico,

welcome to the forum.

I am not familiar with the dpc creams as they are relatively new, but I have had Electro osmosis installed in a few houses and it is very effective and is fairly easy to install.

In the uk a firm called lectros makes the kits, here is their website- http://www.lectros.com/htm/09_electro.htm

I'm not sure what voltage Spain uses, is it the same as here?

[jamieneish]

Please can you help.
To treat rising damp in a house in Spain, single walls made of concrete hollow blocks and then rendered the damp is mainly on external walls and in some internal walls.
which treatment is more effective the silicone or the electric osmosis ? which one is the better value? which one is easier and cheaper to install ? and finally where can I buy the electric osmosis material in the UK as I intent to install it myself.
Any help or advice will be really appreciated.

Regards Ico

The cheaper and easier of the two systems to install is the silicone creams. Both require the damp plaster/render to be removed to about 3 foot high internaly, Externaly you should make sure render is not bridging the damp course , ie render is touching the floor, if it is cut back render until it is above DPC. Then drill in new damp course using 12mm drill bit, Drill holes about 3 to 4 inches deep and about 5 inches apart the full length of the wall being treated, because the walls you are treating are single skin you will only have to inject internaly. Then when injected and you are going to re plaster/render use a sand and cement mix with a good water proof additive. I hope this advice wil help you.

[ultimatehandyman]

Please can you help.
To treat rising damp in a house in Spain, single walls made of concrete hollow blocks and then rendered the damp is mainly on external walls and in some internal walls.
which treatment is more effective the silicone or the electric osmosis ? which one is the better value? which one is easier and cheaper to install ? and finally where can I buy the electric osmosis material in the UK as I intent to install it myself.
Any help or advice will be really appreciated.

Regards Ico

The cheaper and easier of the two systems to install is the silicone creams. Both require the damp plaster/render to be removed to about 3 foot high internaly, Externaly you should make sure render is not bridging the damp course , ie render is touching the floor, if it is cut back render until it is above DPC. Then drill in new damp course using 12mm drill bit, Drill holes about 3 to 4 inches deep and about 5 inches apart the full length of the wall being treated, because the walls you are treating are single skin you will only have to inject internaly. Then when injected and you are going to re plaster/render use a sand and cement mix with a good water proof additive. I hope this advice wil help you.

That is not 100% correct :!:

Electro osmosis does not require that you remove the plaster as long as it is sound and has not blown

[jamieneish]

Please can you help.
To treat rising damp in a house in Spain, single walls made of concrete hollow blocks and then rendered the damp is mainly on external walls and in some internal walls.
which treatment is more effective the silicone or the electric osmosis ? which one is the better value? which one is easier and cheaper to install ? and finally where can I buy the electric osmosis material in the UK as I intent to install it myself.
Any help or advice will be really appreciated.

Regards Ico

The cheaper and easier of the two systems to install is the silicone creams. Both require the damp plaster/render to be removed to about 3 foot high internaly, Externaly you should make sure render is not bridging the damp course , ie render is touching the floor, if it is cut back render until it is above DPC. Then drill in new damp course using 12mm drill bit, Drill holes about 3 to 4 inches deep and about 5 inches apart the full length of the wall being treated, because the walls you are treating are single skin you will only have to inject internaly. Then when injected and you are going to re plaster/render use a sand and cement mix with a good water proof additive. I hope this advice wil help you.

That is not 100% correct :!:

Electro osmosis does not require that you remove the plaster as long as it is sound and has not blown

I stand corrected, probably should not have commented on Electro osmosis as never installed it, I did a lot of subing work for a damp proofing firm and probably installed around 200 DPC`s but only ever used pressure and cream injection. Ah well we live and learn.

[ultimatehandyman]

I have had it installed in a few houses because I did not want the mess of removing the plaster, it works well and is fast to install and does the job.

I've never seen the cream, but I don't like the silicone injection as it is messy.

Is the cream injection expensive?

[Stoday]

I've never seen the cream, but I don't like the silicone injection as it is messy.

Is the cream injection expensive?

You'll have to ask your surgeon Mrs UHM.

[jamieneish]

I have had it installed in a few houses because I did not want the mess of removing the plaster, it works well and is fast to install and does the job.

I've never seen the cream, but I don't like the silicone injection as it is messy.

Is the cream injection expensive?

Damp proofing work carried out by DP firms is always expensive. But to buy the cream in a silicone sized tube cost about £20-£25 and will probably be enough to do a decent sized room. So if you were willing to carry out the work yourself you could save alot of money. And i am pretty sure that you can by some sort of gauratee of the manufacturer of the cream but you would have to look into that. But if no garantee needed its a good way to save a few quid.