Chimney Repointing & Welded Leadwork Repair – Shenley, Milton Keynes
A Quality Construction project in Shenley, Milton Keynes: Chimney Repointing & Welded Leadwork Repair – Shenley, Milton Keynes. The leak was completely solved.
Background
Starting point
The customer wanted a reliable, properly finished solution at the property in Shenley, Milton Keynes. The starting point was leak from chimney with tired, worn flaunching. The priority was to correct the issue properly and leave a durable, professional finish.
Existing condition
Leak from chimney with tired, worn flaunching. The existing construction and surrounding details were assessed so the scope could focus on the areas genuinely requiring attention.
Challenges
The main consideration was integrating the new work correctly with the existing property while maintaining weathering, finish and build quality. No unusual additional challenge is recorded for this historic project.
Photography
Before
During
Completed
Delivery
What we did
- Ground out the chimney where required for repointing; repointed the chimney head using a 4:1 building sand and cement mix; installed new welded lead flashings; finished the leadwork with flexible lead mastic.
Programme
Work stages
Access and inspection
Set up safe access and inspect the existing masonry/roof detail to confirm the areas requiring renewal. QC focus: preparation, correct sequencing and quality of the access & inspection stage.
Removal & preparation
Remove defective mortar, leadwork or surrounding covering as necessary and clean the surfaces ready for the new detail. QC focus: preparation, correct sequencing and quality of the removal & preparation stage.
Installation / repair
Form and install the new lead, mortar, valley or ridge detail using the appropriate method for the existing roof. QC focus: preparation, correct sequencing and quality of the installation / repair stage.
Finishing
Point/seal/patinate or reinstate adjoining roof materials as required. QC focus: preparation, correct sequencing and quality of the finishing stage.
Completion check
Inspect the finished weathering detail and photograph the completed work. QC focus: preparation, correct sequencing and quality of the completion check stage.
Specification
Products & materials
Lead sheet
Selected for durable traditional weathering at roof junctions, abutments, valleys, chimneys or outlets.
Roofing / pointing mortar
Used to renew masonry, ridge, verge or flaunching details where a traditional mortar finish was required.
On site
Problems solved
Issue
The main consideration was integrating the new work correctly with the existing property while maintaining weathering, finish and build quality. No unusual additional challenge is recorded for this historic project.
How we fixed it
Quality Construction recommended a targeted, properly prepared installation rather than a temporary cosmetic repair. The agreed approach was to ground out the chimney where required for repointing; repointed the chimney head using a 4:1 building sand and cement mix; installed new welded lead flashings; finished the leadwork with flexible lead mastic. with attention to preparation, detailing and long-term performance.
Outcome
The leak was completely solved.
Standards
Planning, quality & handover
Quality control
Quality checks focused on preparation, alignment, weathering/detailing, fixings and the finished appearance relevant to this chimney repointing & welded leadwork repair – shenley, milton keynes. Photographs should be used to evidence visible and hidden-stage workmanship where available.
Project management
The works were organised around a planned sequence and completed over half a day. Materials, access and individual work stages were coordinated so the project could progress efficiently with minimal unnecessary disruption.
Outcome
The result
The leak was completely solved.
