Gentlemen
Apologies for any intrusion, may I request some advice? My timber framed has suffered badly from frost damage and after scraping off the "blown" Sandtex I have been left with a pockmarked layer of cement render. This is a bit dusty. I spoke to LaFarge helpline, they advise sealing with "exterior PVA" before skimming the damaged area with 6:1:1. Normal Unibond will, apparently, get wet, swell and blow the repair coat.
Local merchants do not know about this external PVA product, can anyone advise on a suitable pre rendering coat that I should apply?
regards
Bill
Apologies for any intrusion, may I request some advice? My timber framed has suffered badly from frost damage and after scraping off the "blown" Sandtex I have been left with a pockmarked layer of cement render. This is a bit dusty. I spoke to LaFarge helpline, they advise sealing with "exterior PVA" before skimming the damaged area with 6:1:1. Normal Unibond will, apparently, get wet, swell and blow the repair coat.
Local merchants do not know about this external PVA product, can anyone advise on a suitable pre rendering coat that I should apply?
regards
Bill