White powder

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john2189
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White powder

Postby john2189 » Fri Dec 25, 2020 2:07 pm

4A3138F6-8663-497E-9633-800B5C0CF793.jpeg
Is this bad?


This is white powder on the mortar joints in the basement of our church outside walls. Is it just the lime leaching out of the mortar? It was built in 1959.

John
'49 Cub (Vince)
'41 allis B
656 Wheel Horse with 42” sickle mower
C-165 Wheel Horse
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Honda 48” walk behind mower
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Don McCombs
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Posts: 17179
Joined: Mon Feb 03, 2003 6:45 am
Zip Code: 21550
Tractors Owned: "1950 Something" Farmall Cub
1957 Farmall Cub w/FH
1977 International Cub w/FH
1978 International Cub
1948 Farmall Super A
Circle of Safety: Y
Location: MD, Deep Creek Lake

Re: White powder

Postby Don McCombs » Fri Dec 25, 2020 2:38 pm

It's called efflorescence. Check out this explanation...

https://www.nitterhousemasonry.com/tips ... orescence/
Don McCombs
MD, Deep Creek Lake

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Proud Member of Maryland Chapter 39

The best teachers are those who show you where to look, but don't tell you what to see.
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john2189
10+ Years
10+ Years
Posts: 1747
Joined: Thu Oct 26, 2006 7:17 pm
Zip Code: 44657
Circle of Safety: Y
Location: Minerva,Ohio

Re: White powder

Postby john2189 » Fri Dec 25, 2020 3:07 pm

Thanks Don. These are inside walls. We will clean it up
'49 Cub (Vince)
'41 allis B
656 Wheel Horse with 42” sickle mower
C-165 Wheel Horse
Simplicity 20 HP Sunstar
Honda 48” walk behind mower
Top
User avatar
Don McCombs
Team Cub Mentor
Team Cub Mentor
Posts: 17179
Joined: Mon Feb 03, 2003 6:45 am
Zip Code: 21550
Tractors Owned: "1950 Something" Farmall Cub
1957 Farmall Cub w/FH
1977 International Cub w/FH
1978 International Cub
1948 Farmall Super A
Circle of Safety: Y
Location: MD, Deep Creek Lake

Re: White powder

Postby Don McCombs » Fri Dec 25, 2020 3:27 pm

A sealer may keep it from re-appearing.
Don McCombs
MD, Deep Creek Lake

Image
Proud Member of Maryland Chapter 39

The best teachers are those who show you where to look, but don't tell you what to see.
A. K. Trenfor
Top
john2189
10+ Years
10+ Years
Posts: 1747
Joined: Thu Oct 26, 2006 7:17 pm
Zip Code: 44657
Circle of Safety: Y
Location: Minerva,Ohio

Re: White powder

Postby john2189 » Fri Dec 25, 2020 5:11 pm

Thanks
'49 Cub (Vince)
'41 allis B
656 Wheel Horse with 42” sickle mower
C-165 Wheel Horse
Simplicity 20 HP Sunstar
Honda 48” walk behind mower
Top

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