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A small selection of our detailed technical drawings for Type C Details (System 500 Cavity Drain Waterproofing). If you are looking for a technical drawing that isn’t here, please contact our Technical Team who will be able to assist you further.
Underpin to masonry wall drypack detail, System 500 internally
PDF Drawing
AutoCAD Drawing (DWG)
Our staff are able to provide guidance for projects of all sizes, whether you require some general advice about damp or waterproofing, or support with technical drawings and specifications.
Our last working day of the year is Tuesday 23rd December. Final orders for delivery before Christmas must be placed by 2pm on Monday 22nd December. Our trade counters in Tonbridge and Leeds will also remain open for collections on 23rd December. Both branches will reopen in the New Year on Friday 2nd January 2026.