The HBF has published a booklet called Sound Solutions which gives you all the details of the proposed Robust Standard Details for Part E. Members have all been sent a copy.
If you would like to buy copies of this booklet please send a cheque with your mailing details to:
Housebuilder Publications Ltd
56-64 Leonard Street
LONDON
EC2A 4JX
They cost 19.50 each for HBF and CPA members and 40 for non-members.