We build like the old masters—but with modern understanding of ventilation, drainage, and fixings.
Copper: 0.6 mm soft copper for valleys, flashings, firewall cappings
Slate: Typically 24" × 12–14", 7–10 mm thickness
Timber: Valley timbers 4×1 treated, gaps maintained; fillets 5×2
Membrane: Roofshield (Don & Low)
Fixings: Copper nails; stainless for battens
Ridge: Sand & lime bedding only
Rainwater goods: Cast iron or cast aluminium
Firewall systems:
Standard HRC Firewall:
Masonry party wall brought through the roof with copper capping & separation—fire-safe, ventilated, period-correct.
HRC Inline Firewall:
For continuous terraces with no visible party wall. Felt cut back over battens both sides; battens cut at party wall; masonry built to batten height; slates bedded in lime and mechanically fixed—no visible copper above the roofline.
Valleys & outlets:
Improved drainage falls; stepped details at directional changes; no soldered modern outlets on conservation roofs.
Collaboration welcome:
We’re happy working with your architect, conservation officer, or engineer. Our drawings and method statements are set up for third-party review and sign-off.