| 3/25/2018 | 680710000000 | QUICK SHINGLE CLASSIC RED (WATERPROOFING MEMBRANE), QUICK SHINGLE CLASSIC YESIL (WATERPROOFING MEMBRANE)
| 4830 | Meter Square | 12319.3 | N/A | DIMERMAK MAKINA VE INSAAT MALZ. TURIZM DIS TIC. LTD. STI. |
| 3/19/2018 | 680710000000 | * BITULINE PP300-WATERPROOFING MEMBRANE (BITULINE PP300-WATERPROOFING MEMBRANE), BITULINE PP40M RED-WATERPROOFING MEMBRANEBITULINE PP40M RED WATERPROOFING MEMBRANE
| 6400 | Meter Square | 13423.65 | N/A | ONDULINE AVRASYA INSAAT MALZEMELERI SANAYI VE TICARET A.S. |
| 3/7/2018 | 680710000000 | POLYAS PP-3000 WATERPROOFING COVER * POLYAS P-4000 WATERPROOFING COVER * FLEXY PP-3000 WATER INSULATION COVER
| 8350 | Meter Square | 10125.87 | N/A | ASLAN IZOLASYON SANAYI VE TICARET LTD.STI. |
| 3/5/2018 | 680710000000 | WATERPROOFING MATERIAL DRAINAGE BOARD GEOMAX 400 400 GR / M2 & 1 ROLL 40 M2 (2MX
| 3000 | Meter Square | 1499.34 | N/A | ILK INSAAT TAAHHÜT SANAYI VE TICARET ANONIM SIRKETI |
| 3/8/2018 | 680710000000 | POLISER EXPO 400 P (WATERPROOFING MATERIAL)
| 5000 | Meter Square | 9209.38 | N/A | YALTEKS YALITIM MALZEMELERI SANAYI VE TICARET ANONIM SIRKETI |
| 3/11/2018 | 680710000000 | UNDER CREAMY OP1000 (POLYMER MODIFIED FOR ROOFS, PE FILM COATED, WATERPROOFING MEMBRANE WITH PAPER CARRIER)
| 207 | Units | 1824.45 | N/A | OSMANLI NAFTA KIMYAIZOLASYON SAN.VETIC.LTD.STI. |
| 3/14/2018 | 680710000000 | AQUASTOPER AQ PP 3MM (WATERPROOFING MEMBRANE)
| 900 | Meter Square | 1355.57 | N/A | MARDAV YALITIM VE INS.MALZEMELERI SAN.VETIC.A.S. |
| 1/2/2024 | 680710000000 | P 4000 BITUMINOUS WATERPROOFING COVER (WITH POLYESTER FELT CARRIER) | 5000 | SQUARE METERS | 0 | N/A | BAUMERK YAPI VE KİMYA SANAYİ TİC.LTD.ŞTİ |
| 1/2/2024 | 680710000000 | P 3000 BITUMINOUS WATERPROOFING COVER (WITH POLYESTER FELT CARRIER) | 6000 | SQUARE METERS | 0 | N/A | BAUMERK YAPI VE KİMYA SANAYİ TİC.LTD.ŞTİ |
| 1/10/2024 | 680710000000 | WP 40 G BITUMINOUS WATERPROOFING COVER (WITH POLYESTER FELT CARRIER) | 6000 | SQUARE METERS | 0 | N/A | BAUMERK YAPI VE KİMYA SANAYİ TİC.LTD.ŞTİ |