Slate Roof Delamination

A Photographic Guide To Slate Roof Defects

A Photographic Guide To Slate Roof Defects

Slate Roof Life Worn Out Slate Roof Signs Of A Slate Roof At Or Near End Of Useful Life

Slate Roof Life Worn Out Slate Roof Signs Of A Slate Roof At Or Near End Of Useful Life

Mastering Roof Inspections Slate Roofs Part 4 Internachi

Mastering Roof Inspections Slate Roofs Part 4 Internachi

The Taxonomy Of Slating

The Taxonomy Of Slating

The Bane Of Clay Roof Tiles Professional Builder

The Bane Of Clay Roof Tiles Professional Builder

Roofing Standards And Guidance

Roofing Standards And Guidance

Roofing Standards And Guidance

Towards the end of its useful life these layers may begin to split apart in a process called delamination.

Slate roof delamination.

Note the efflorescence on some slates and the delaminating slates. Notice the surface delamination on some of these slates. Delamination is caused by the reaction of certain minerals to long term moisture cycles. Surface delamination on slates.

Because slates are most likely to absorb moisture along their edges that s where delamination is often most obvious. Worn slates at or near end of life in the upper roof above left. Some slates have been known to last over 200 years. Slate is a compact metamorphic rock geologically formed from fine grained sedimentary rocks of poor quality.

At above right is a slate roof in poor condition on a poughkeepsie new york home. Other causes of slate roof deterioration include. You can spot a sloped slate roof tile more easily from the ground. This leads to a roof that is less sturdy and more prone to leaks and breakages.

This problem is known as delamination. However the geological makeup and orientation of the slate can over time be responsible for delamination. One example of this is chasing a leak with the black goop used by contractors unfamiliar with slate roofs. The most common defect i encounter on slate roofs is inappropriate repairs.

When it is used as a headstone zones of residual internal stress can result in the partial detachment of vertical planes. Over time these minerals expand causing layers to separate along cleavage planes. Slate is a naturally occurring resource that forms in strong but distinct layers. You can also check for gaps in the mortar joints along the ridge line.

They can conceal easily repairable defects such as bad flashing or isolated broken slates. Delamination occurs when impurities contained within the slate primarily calcite and iron sulfides such as pyrite and marcasite react in association with hot cold and wet dry cycling to form calcium sulfate gypsum molecules that take up slightly more volume than the original minerals. If the tiles look to have a powdery surface this means the tile is deteriorating and you ll need to replace it. Also ask how many of the roof slates are delaminating at all note the neighboring slates on this roof are sound.

Such repairs are not only unsightly. Delaminating roofing slate if the delamination is only in the upper surface layer of the slate the material may have substantial remaining life.

How To Tell When An Existing Slate Roof Needs Replacement

How To Tell When An Existing Slate Roof Needs Replacement

Slate Roofing Listed Building Surveys

Slate Roofing Listed Building Surveys

Caring For Stone Roofs Country Life

Caring For Stone Roofs Country Life

How To Tell When To Replace A Slate Roof Metrotile

How To Tell When To Replace A Slate Roof Metrotile

What Went Wrong Why Artificial Slate Is Bad Natural Slate Is Good

What Went Wrong Why Artificial Slate Is Bad Natural Slate Is Good

Ribbon Slates Ribbon Slate Roofs Appearance Life Expectancy Leak Risks

Ribbon Slates Ribbon Slate Roofs Appearance Life Expectancy Leak Risks

Natural Slate And Stone Caring For Your Home

Natural Slate And Stone Caring For Your Home

Slate Roof Replacement We Ll Beat Quotes By 5 Csm North East

Slate Roof Replacement We Ll Beat Quotes By 5 Csm North East

Slating Roof Tiling Re Roofing Contractors Roofing Roughcasting Contractors West Lothian

Slating Roof Tiling Re Roofing Contractors Roofing Roughcasting Contractors West Lothian

Roof Slate Buying Guide Articles Ashbrook Roofing

Roof Slate Buying Guide Articles Ashbrook Roofing

Typical Roof Defects Berry Lodge

Typical Roof Defects Berry Lodge

Testing Roofing Slates New Standards And A New Specification Regime

Testing Roofing Slates New Standards And A New Specification Regime

Plastic Slate Effect Roof Tiles

Plastic Slate Effect Roof Tiles

Natural Slate Tile Roof Fitters Stormforce Roofing

Natural Slate Tile Roof Fitters Stormforce Roofing

Slate Roof Abshot Community Centre Southern Flat And Pitched Roofing Ltd

Slate Roof Abshot Community Centre Southern Flat And Pitched Roofing Ltd

Slate Conservatory Roof Pay Nothing For 1 Year 99 Dep

Slate Conservatory Roof Pay Nothing For 1 Year 99 Dep

Slate Roofing Rawdon Roofing Services

Slate Roofing Rawdon Roofing Services

13 Early Signs You May Need A Roof Replacement Findley Roofing

13 Early Signs You May Need A Roof Replacement Findley Roofing

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Traditional Roofing Magazine How To Keep A Slate Roof Alive By Joseph Jenkins

Traditional Roofing Magazine How To Keep A Slate Roof Alive By Joseph Jenkins

Slate And Roof Tiling Re Roofing Contractors West Lothian Roofing Roughcasting Contractors West Lothian Scotland

Slate And Roof Tiling Re Roofing Contractors West Lothian Roofing Roughcasting Contractors West Lothian Scotland

Repair Or Re Slate A Slate Tiled Roof The Important Factors To Consider

Repair Or Re Slate A Slate Tiled Roof The Important Factors To Consider

Worn Slate Roofs Repair Or Replace Old House Web

Worn Slate Roofs Repair Or Replace Old House Web

Better Slate Than Ever Sig Roofing

Better Slate Than Ever Sig Roofing

New Roof Edinburgh Strip Re Slate In Edinburgh Homeforce

New Roof Edinburgh Strip Re Slate In Edinburgh Homeforce

Say Hello To Supaslate Roof 2 Room

Say Hello To Supaslate Roof 2 Room

Stable Roofing Chart Stables

Stable Roofing Chart Stables

Traditional Roofing Magazine What Roofing Professionals Need To Know About Slate Roofs

Traditional Roofing Magazine What Roofing Professionals Need To Know About Slate Roofs

Supalite The Solid Tiled Conservatory Roofing System It S All About The Tapco Slate Roofing Tiled Conservatory Roof Roofing Systems

Supalite The Solid Tiled Conservatory Roofing System It S All About The Tapco Slate Roofing Tiled Conservatory Roof Roofing Systems

Tapco Synthetic Slate Terracotta 708 Pack Of 25 Roofing Superstore

Tapco Synthetic Slate Terracotta 708 Pack Of 25 Roofing Superstore

Stone Black Various Colours Available Tapo Slate Ridge Cap

Stone Black Various Colours Available Tapo Slate Ridge Cap

Shopping Mall Epdm Roof Membrane Delamination Before Gsm Roofing

Shopping Mall Epdm Roof Membrane Delamination Before Gsm Roofing

Slate Selection Best Practice

Slate Selection Best Practice

Marshfield Stone Roof Tiles Ltd Manufacturers Of Reproduction Cotswold Roofing Slates Slate Roof Slate Roof Cost Roof Architecture

Marshfield Stone Roof Tiles Ltd Manufacturers Of Reproduction Cotswold Roofing Slates Slate Roof Slate Roof Cost Roof Architecture

Classic Slate Tiling Weathershield Solutions

Classic Slate Tiling Weathershield Solutions

Tapcoslate Classic Roof Slate For Low Pitch Applications

Tapcoslate Classic Roof Slate For Low Pitch Applications

Conservatory Tiling Product Range

Conservatory Tiling Product Range

Flat Roof Repair Guide Easy For Diy Or Trade

Flat Roof Repair Guide Easy For Diy Or Trade

Brick Slips Installation Black Slate Roof Tiles

Brick Slips Installation Black Slate Roof Tiles

Supalite Conservatory Roofs Ipswich Felixstowe Suffolk

Supalite Conservatory Roofs Ipswich Felixstowe Suffolk

Perfect Cabins Tapcoslate Roof Tiles

Perfect Cabins Tapcoslate Roof Tiles

Tapco Synthetic Slate Charcoal Grey 705 Pack Of 25 Roofing Superstore

Tapco Synthetic Slate Charcoal Grey 705 Pack Of 25 Roofing Superstore

Sig Design Technology Standing Seam Membrane Roofing On Luxury Housing

Sig Design Technology Standing Seam Membrane Roofing On Luxury Housing

Supaslate Lightweight Plastic Roof Tile Manufactured In The Uk

Supaslate Lightweight Plastic Roof Tile Manufactured In The Uk

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