Chemical Delignification in Wembley

Chemical Delignification Treatment in Wembley: the short version

Most owners hear about this from a building inspection rather than noticing it themselves. The good news is that treatment is usually an alternative to replacement. Detail on our chemical delignification page.

What that means for chemical delignification treatment in Wembley

Coastal roofs turn up in this work more than any others. Sustained salt laden moisture is part of the exposure history in a great many affected properties and older stock within reach of the sea breeze is where we most often find battens that will not hold a fixing.

On sandy blocks the exposure is almost always specific rather than general, which means the assessment is looking for a path rather than a condition.

On wetland margins we check where water has been travelling as well as where it has pooled. Timber degradation tends to concentrate along old water paths rather than spreading evenly.

Local conditions in Wembley

Wembley sits on Spearwood dune sand over TAMALA LIMESTONE. Limestone near the surface changes how footings were formed, rock, variable bearing and awkward excavation for any new work and older homes may be founded directly on it. Free-draining sand above, hard and irregular rock below, is a specific combination worth understanding before extending or underpinning.

Two major wetlands sit against the suburb, LAKE MONGER on its edge and HERDSMAN LAKE beyond its northern boundary. Blocks toward the lakes sit on LOW ground with a high, seasonally variable water table and that is where drainage problems, subfloor damp and slab-edge moisture show up.

Apartment buildings are progressively replacing older houses, so inspections split between early-to-mid century houses and recent medium-density strata. Establish which, since they share almost no common ground; and near redevelopment, a dilapidation record is worth having.

We cover the whole of the Town of Cambridge. Around Wembley that takes in Perth, Churchlands, Herdsman, Glendalough and Spearwood. Short drives keep chemical delignification treatment affordable on smaller jobs and most of ours are smaller jobs.

Materials and specification

You should finish holding documentation: the assessment with photographs of the actual timber, the scope of what was treated and the transferable warranty. That paperwork is what answers a building inspector or a purchaser later and it is worth more than anybody's verbal assurance.

A little about Wembley

Wembley sits on the Spearwood Dunes, west of the Bassendean Dunes on the Swan Coastal Plain; Underneath These Dunes IS Tamala Limestone Became part of the new Town of Cambridge in 1994; ~4.5km², ~12,061 pop; 5km WNW of the CBD An upper-middle-class, Medium-Density suburb; more young families have moved in and NEW Apartment Buildings Have Started TO Replace Older Houses; main shopping on Cambridge Street; the Wembley Hotel dates from 1932 None of that decides what your roof needs. It does tell us what to expect before we get the ladder out in Wembley.

What the work involves

• Roof void assessment first. We get into the roof space and test the timber physically rather than looking at it, because affected battens look normal. That establishes how far it has gone and whether treatment suits your roof
• Sand back the affected timber. The degraded surface is removed to reach sound material underneath. This is the stage that separates a genuine treatment from a coat of something sprayed over the problem

Checking the quote before you sign

Three questions separate a genuine assessment from a sales visit and they apply to us as much as to anyone else. Which specific component has failed, rather than a general statement about age. Whether somebody entered the roof space, because batten condition cannot be judged from outside. And whether photographs exist. Clear answers to all three usually mean somebody looked properly.

Getting a quote in Wembley

Call 0421 768 842 for an inspection. We photograph what is actually there, price the work that is genuinely required and tell you plainly when a Wembley roof needs less than you were expecting. That happens more often than people assume.