Construction Research Institute.

【PRESS RELEASE】

September 2, 2024

CMPI：Construction Material Price Index For August 2024
The Construction Material Price Index(CMPI) was created to identify overall price trends for construction materials, and is a price index whose scope is limited toconstruction materials directly used in construction projects. The index is calculated with the 2015 average as 100.

１. Index Trends（National average）
In August, The Construction general index (national average)
stood at 139.1, up 0.4 points: month on month (+0.3%: MoM),
marking the 16th consecutive monthly increase. The index wasup 5.4 points: year on year (+4.1%: YoY).
By sector, The Construction index posted 139.0, up 0.2 points:
MoM (+0.2%: MoM), marking the second consecutive monthly
increase. It was +4.7 points: YoY (+3.5%: YoY). The
Construction repair index stood at 135.4, up 0.3 points: MoM(+0.2%: MoM), marking the fifth consecutive monthly increase.
It was +6.4 points: YoY (+5.0%: YoY). The Civil engineeringindex was 141.2, up 0.8 points: MoM (+0.6%: MoM), the 51th
consecutive monthly increase since May 2020, and the highest
level since the same month last year, up 6.4 points: YoY (+4.8%:YoY).

２. Contribution（By major classification）
Positive contribution【Metal products】Construction metal products
Price increases by major manufacturers that passed on increased
manufacturing and transportation costs penetrated the market andcontributed to the positive index trend.

【Ceramics, Stone & Clay products】Cement products
Higher prices for concrete products due to increased manufacturing
and transportation costs, including raw material costs, contributed tothe positive index trend..

Negative contribution【Non-ferrous metals】Electric wires and cables
The sharp drop in the copper market price, which led to stronger
demand for lower prices from consumers, caused product prices tofall, contributing negatively to the index trend.

【Paper & Wood products】Structural plywood
Against the backdrop of sluggish demand, competition for orders
among dealers intensified, resulting in lower product prices, which
contributed negatively to the index trend.

３. Trends by City（Construction general index）
In addition to metal products and ceramic/soil and stone products,
nationwide price increases for general machinery products(pumps, etc.) and price increases for concrete aggregate andcrushed stone for roads in some regions contributed to thepositive index trend. In Takamatsu (+0.7% MoM), amongconcrete products, a significant increase in the price of PHC piles
against the backdrop of soaring raw material costs contributed
significantly to the positive index trend. In Hiroshima (+0.4%MoM), price increases for concrete products such as U-shaped
gutters and roadway boundary blocks contributed positively tothe index trend. In Naha (+0.4% MoM), price hikes inagricultural products such as flowers and flowering plants to passon increased production costs such as labor costs to producers
and wholesalers penetrated the market and made a positive
contribution to the index trend.
【Index Inquiries】General incorporated foundation Construction Research Institute. E-mail：econ@kensetu-bukka.or.jp
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