Precast modular concrete blocks make up this rather unique system.
Those planks block the way to the roof.
Perhaps the shingles are old and the current installation was never installed correctly.
As a result at least one but often many of the shingle nailing lines end up falling smack between boards or so close to the edge that the nails lack holding power.
Information on the existing deck and its condition can be determined by cutting a hole through the roof membrane all the way down to the deck.
Although called concrete it is very different from traditional concrete and because of the way in which it was made much weaker.
Mar 26 2019 explore bertha bartlett public library s board keva plank activities followed by 500 people on pinterest.
When it came to installing flooring in our basement we knew we wanted something durable waterproof and easy to install.
We settled on luxury vinyl plank lvp flooring and more specifically sterling oak from lifeproof.
Rest the 2 4 boards upright around the perimeter of the scaffold planks screw or nail the corners together and attach them to the base of the guardrail posts with no.
Make sure you have proper repair materials to fix the hole thickness of a steel roof deck can be determined at a roof hatch where the edge of the deck may be available for measurement with a micrometer.
Pre 1980 raac planks are now past their expected service life and it is recommended that consideration is given to their replacement.
On older homes planks were often spaced for wood or slate roofs with wider exposures than the standard 5 inch tab on asphalt shingles.
A good roofer would not have any problem with plank spaced roof decking.
14 may 2019 by katherine smale.
A roof of this age has most certainly been reshingled over the years without the necessity of solid decking.
School roof collapse prompts concrete plank warning.
Secure to the respective frame using galvanized nails and metal brackets.
The blocks were arranged in a row at the time of manufacture to form a plank of whatever length was dictated by the project and then clamped together tightly introducing compression into the group.
Once the scaffolding is assembled and in place double check that it s level and resting securely on all four base plates or casters.
The useful life of such planks has been estimated to be around 30 years.
The report concludes that the collapse occurred with little warning and that a similar near failure was reported in 2019 in a retail unit which incorporated the same type of concrete planks.
They do make chalk lines and can mark the nail line very easily.
See more ideas about keva planks keva plank.
