Product News

Flir Infrared Camera's

Flir Systems the market leader in infrared and thermal imaging camera's have just appointed Merlin Lazer as one of its UK main distributors.

We will be stocking the full range of camera's and further information will be added to our website in the near future.

If you would like further information in the meantime please do not hesitate to contact us.

further information

Mike Parrett Building Pathology DVD Series - Walls

A look at the construction of various types of walls, from a stone castle in Ireland to polystyrene houses in the United States. A strong emphasis throughout on tracking down the true causes of damp, featuring many of Mike’s pioneering techniques.

DVD Topics:

1. Introduction – early walls

Wattle and Daub – advantages

2. Ye olde oak construction

Classic 15th century timber framed construction

3. Monitoring moisture & creepy-crawlies

Measuring moisture in old timber frame buildings

Detecting insect infestation

4. Written in the stones

Solid masonry walls - importance of breathability

Lime mortars - example of Cor Castle in Ireland

5. A study in lime

Example of Pallace Wharf in Ireland

6. The cracking cottage

Example of thatched cottage where use of cement has caused damp

7. Between the walls – 2 case studies

Blocked cavity trays - extreme interior mould caused by blocked cavity wall

8. The ties that bind

Types of cavity ties and problems with them – how to locate ties

9. Geophysical surveys

10. Why do walls fail?

Vegetation

Subsidence

Heave

Over-hydration - example from Hong Kong

11. High Silica bricks

12. Diagnosing damp walls

Limitations of moisture meters

Hydrosticks

Salts test

Calcium Carbide test

Chemical analysis

13. The truth about damp and DPC’s

DPC’s do not fail - real causes of damp

14. Damp sources – raised ground levels

Bridging the DPC

15. Damp sources – damp from above

Gutters and downpipes

16. Damp sources – drips inside and out

Hidden waterworks

17. Condensation – symptom, not cause

Case study – monitoring condensation

18. Condensation – within these walls

The ‘EIFS’ System – interstitial condensation - case study in Chicago of American ‘closed cell’ wall system

19. Long-term off-site monitoring

A new system for monitoring damp

Use in timber and concrete and for condensation

20. Timber frames USA – the final word

The problem with modern timber-framed building methods

Bonus Section

More about Lime

OUR PRICE (ex. vat):	£69.95
(inc. vat @20%):	£83.94

View all products by Mike Parrett

Alternative Product Models

Building Pathology DVD Series - Roofs

A look at the principles of roof construction, failure and investigation - from thatch to metal roofs. Featuring the largest lead roof project in the UK and the largest zinc roof project in Europe.

Stock Code: 115171