Become a TFP Supporter Pool Math Forum Rules Pool School
Results 1 to 5 of 5

Thread: expansion joint - caulk? grout? neither? makes no difference?

  1. Back To Top    #1



    Join Date
    Jul 2012
    Location
    Whidbey Island, WA
    Posts
    392

    expansion joint - caulk? grout? neither? makes no difference?

    Old pool with expansion joints between coping slates and deck slates and various other places.

    Have obtained various opinions as to cover the joints with caulk, grout, nothing, or makes no difference.

    You all would recommend?

    Thank you
    IG under fir trees and one cherry surrounded by grass built in 1979, 30k, plaster, old Sta-Rite HRPB30, 4.9 sq.ft, 20 GPM/sq.ft., but with new glass, new (in 2012) 1 HP WhisperFlo one speed, new (in 2013) Rainbow tab chlorinator attached at the top, old Maxi-Flo Heat Exchanger MF-260, Burnham V7 oil heater 245 MBH, new (in 2012) Compool to Easytouch, Taylor K-2005 and TF-100.

  2. Back To Top    #2

    Re: expansion joint - caulk? grout? neither? makes no difference?

    Caulk is the way to go. Grout does not allow for expansion. Doing nothing allows water to get in, which can lead to erosion and ice damage.

  3. Back To Top    #3



    Join Date
    Jul 2012
    Location
    Whidbey Island, WA
    Posts
    392

    Re: expansion joint - caulk? grout? neither? makes no difference?

    Thank you
    IG under fir trees and one cherry surrounded by grass built in 1979, 30k, plaster, old Sta-Rite HRPB30, 4.9 sq.ft, 20 GPM/sq.ft., but with new glass, new (in 2012) 1 HP WhisperFlo one speed, new (in 2013) Rainbow tab chlorinator attached at the top, old Maxi-Flo Heat Exchanger MF-260, Burnham V7 oil heater 245 MBH, new (in 2012) Compool to Easytouch, Taylor K-2005 and TF-100.

  4. Back To Top    #4

    Join Date
    Oct 2015
    Location
    Pentas/TX
    Posts
    28

    Re: expansion joint - caulk? grout? neither? makes no difference?

    When you clear out the old material from the joints. Take a look at the depth and even try to measure it. Some backer rod going in before your caulking will be very helpful if none is there already. Also, try to use some self leveling caulk. I use Adeka P201, but it is a bit overkill for decking expansion joints. Of course, I'm assuming you are redoing the joints entirely. You may have already been up to date on this just thought I'd mention it. Good Luck!
    40x20 Rectangular (3'to6' depth),Cantilevered Deck, Whisperflo 2HP FullRated, DE 60 SQft Filter, 2 Intellibrite 12V 5G Color Lights, Intellibrite Controller

  5. Back To Top    #5



    Join Date
    Jul 2012
    Location
    Whidbey Island, WA
    Posts
    392

    Re: expansion joint - caulk? grout? neither? makes no difference?

    Thank you. Will check out Adeka.
    IG under fir trees and one cherry surrounded by grass built in 1979, 30k, plaster, old Sta-Rite HRPB30, 4.9 sq.ft, 20 GPM/sq.ft., but with new glass, new (in 2012) 1 HP WhisperFlo one speed, new (in 2013) Rainbow tab chlorinator attached at the top, old Maxi-Flo Heat Exchanger MF-260, Burnham V7 oil heater 245 MBH, new (in 2012) Compool to Easytouch, Taylor K-2005 and TF-100.

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •