to cut a long story short my dads house sale has fallen through the survey i might add was fine no mention of any problem but the buyer is now saying conservatory is coming away from the wall we have had a look and there is no evidence to suggest this and it is solid however he wanted to know or his dad did why there is a layer of baked brick underneath 2 courses of stock brick ????well as a female i have no idea my dad bought the property 2 years ago it was allready built but i would like to tell the cocky sod why or come back with a good answer can any one help much appreciated